Hook up the Laptop, turn on the Kmanager and go to the display and look at the CAM display box if I'm not mistaken. On many late model. In practice, cold air is always denser than hot air, meaning that more cold air fits into the inlet manifold than hot air, which affects how the PCM calculates the . Now, the IAT sensor on these cars was inside the air filter housing, on the tube going from the filter to the intake manifold, or built in to the mas airflow sensor (it would have 5 wires) . So, it is the ambient temperature that will determine the resistance level of the thermistor itself. The general concensus is that "more air" and "colder air" generate "more power." What I want to determine is whether the change in Manifold Air Pressure provided by the HFI is offset by the change in Intake Air Temperature. The INTAKE AIR TEMPERATURE sensor of the car holds pivotal importance in the proper functioning of the car. Intake Air Temperature Sensor Intake Air Temperature Sensor. Fasten the twist-lock part on SFI engines. When an engine uses a MAF sensor to measure air volume, the MAP sensor also serves as a temperature sensor. The resistance of the temperature sensor changes depending on the intake-air temperature. When diagnosing a P0113 code, it is important to record the freeze frame information and then to duplicate the code setting conditions with a test drive while paying close attention to engine load, throttle position, RPM, and road speed on a data . This sensor mounted on the inlet section records the temperature of intake air with which it is possible to calculate, in combination with a boost pressure sensor, air mass aspirated . Picture Information. SKU: 33004280. Notify of Turn the ignition on but do not start the engine. It has two vaccuum lines attached to it, one vacuum source from the throttle body, one to a vaccuum modulator, which lifts a door inside the snout leading to the aircleaner. The intake-air temperature sensor determines the temperature in the suction pipe and forwards the voltage signals arising from the temperature to the control unit. Your Jeep's air charge temperature sensor is an . Different Names for the IAT Sensor Two Types of IAT Sensors IV. The Intake Air Temperature sensor (IAT) has been utilised as an Engine Control Unit (ECU) input signal from the very first EFI systems to the currently used systems, as a requirement for calculating the Air Mass volume for the incoming air charge. 3) remove (unscrew) the old one. November 2012. Intake-Air Temperature Sensor Market Key Trends Analysis The important factors influencing the growth of the Intake-Air Temperature Sensor market have been examined in this report. Air Temperature Sensor. Anyway, it should be changing, so it is probably dead. It should be 10F above or below the ambient temperature of the vehicle. A: The IAT sensor plays an important part in your engine's efficiency. LA-318 TBI. Step 1: Locate the sensor. Voltage value must be in the range between 2V to 3V depending on the temperature. Seller 99.5% positive Seller 99.5% positive Seller 99.5% positive. Guaranteed Lowest Price We'll match or beat any price. Intake Air Temperature Sensor is replaced when the real problem is in the Mass Air Flow Sensor; . Differential Oil Temperature Sensor fits MDX Pilot NAPA 1434050 48160PGJ003. Cold air means the air is denser, and it's likely to have more oxygen for your engine to burn. I routinely see temps running 30-40* over ambient at standard cruise driving. Remove the sensor from the intake manifold (MFI engines) or air cleaner/tube (SFI engines). If the circuit tests normal, replace the ECM. This is necessary because air density and oxygen level change depending on the air temperature. This is what mine looks like: The MAP sensor is relatively small and only needs to be connected to the inlet manifold via a small length of silicone hose. Free Shipping Only orders over $99 in USA. A false signal may cause the PCM to miscalculate the air and fuel mixture, resulting in a drop in acceleration. This is a resistance-based sensor, which correlates the temperature of the incoming air with the magnitude of resistance, and relays this information to the car computer. What's in the Box, (1) Air Charge Temperature Sensor, 1984-1995 Ford Mustang 5.0 Air Charge Temperature Sensor, Having an accurate air temperature reading is highly important to your Mustang PCM so it can make adjustments to ensure your engine is running at its optimum performance. The sensor has become more important over the years because of the need for maintaining the correct combustion mixture and emission level. The first reason is that it has no control over the fuel injection system, which controls how much fuel is injected into the engine depending on the load and speed of the vehicle. The temperature and pressure data readings from this sensor are used . It is important to understand that the codes just tell you what the intake air temperature sensor is reporting, not that the sensor is bad. Take readings from 0 to 300 Fahrenheit with incredible accuracy. There are multiple types of IAT sensors. I personally prefer to disconnect the battery terminal (-) before disconnecting the sensor connector. The Intake Air Temperature sensor is commonly integrated with the Mass Air Flow (MAF) sensor, and is found in the air intake passage below the hood. Check your car's service manual to verify the location of your IAT sensor so that you are able to repair if needed. Click to enlarge. The resistance of the thermistor can vary (varies) which is affected by the ambient temperature. This is, to assist in determining the correct engine fuel requirement . Type: IAT Sensor. $55.15 previous price $55.15 previous price $55.15. The signal check of Intake Air Temperature Sensor . Target temperature at about +10-15 deg F above the ambient temperature with the goal to be below 100 deg F. Once the vehicle is started, this in turn reduces the intake air (Charge Air Temperature) with the goal to be less than 140 degrees F. 2015-2016 Hellcats MAF sensor. As the temperature of the intake air rises and falls, this little thermistor detects the differences and changes the resistance in its circuit. sensor is more important at cold state and intake air temperature sensor is more important at hot state. Common trouble symptoms if this sensor fails includes improper idling and poor driving characteristics. I don't know if this is good or bad. If less than the specified range, test the signal circuit for a short to voltage or an open/high resistance. This type of sensor called a Temperature Manifold Absolute Pressure sensor or "TMAP" for short. This small thermistor changes the resistance in a circuit as the temperature of the air entering your intake increases or decreases. The sensor works with the system's fans to maintain an optimal running temperature. I once did a test on a Toyota Celica 2.2 liter (5s-fe). MTE-THOMSON products are guaranteed for 01(one) year against defects from faulty materials or fabrication. If this is not the case, you may have a problem with the sensor. The intake air temperature sensor is set at the start procedure in conjunction with the engine coolant temperature sensor. (16-24 Nm) on MFI engines. This sensor is responsible for sending a signal to the vehicle's internal computer, indicating the intake manifold's temperature. After turning it on, check for the temperature of the IAT sensor. Other Common Car Repair Costs Clean the sensor area. Didn't make a spec of difference. In this video we're taking a look at the intake air temperature sensor. 1. In other words, the fuel injectors do not respond to changes in Intake Air Temperature. The main component used in the intake air temperature sensor is the thermistor. Standard Motor Products MCATS1 Intake Air Temperature Sensor. Bank 2 is the side of the engine that does not contain cylinder #1. Share More sharing options. Very broad temperature range (-40C to 130C) Common calibration that can be used with most aftermarket ECU's including Link G4/G4 and Vipec V and i . Disconnect the MAF sensor connector and remove the MAF sensor. Sure enough, my sensor appears to be missing. In this way hot start problems in particular are avoided. So for steady cruising at relatively low speed on a road with no steep hills hot air intake would be the most efficient. Each intercooler temp gauge monitors the hot air that is being forced into the intercooler and the cool air that is being forced . Sign in to reply, Temperature Sensors of the vehicle are components that play an important role in controlling emissions and fuel consumption. The air temperature sensor is located in the intake manifold. This piece of information is very important because it goes directly into the timing of the ignition, the air-fuel mixture ratio determination, and other important elements in the combustion system. If so, is it a simple as: 1) remove engine cover. The intake-air temperature sensor determines the temperature in the suction pipe and forwards the voltage signals arising from the temperature to the control unit. The IAT sensor is very sensitive to the methanol injection as its flowing across the sensor. I ordered a replacement, and now I'm wondering where the connection to the wiring harness is. Create a box for it if you don't have one already.. Then start the car and in neutral, give it a couple revs. Because it is difficult to recognize if engine is really hot when coolant . Then the INTAKE AIR TEMPERATURE sensor sends this temperature signal to the electronic control unit of the car. At low intake-air temperatures, especially in the case of diesel engines, an inadequate final compression temperature occurs, and therefore an increasing emission delay, that is to say the time from the entry of the fuel into the combustion chamber until the ignition of the same becomes too long. $19.99. 2702 MSD ATOMIC AIRFORCE INTAKE MANIFOLD GM LS1/LS2/LS6 NEW. 6) reinstall engine cover. 3. This evaluates the signals and influences the mixture formation and the firing angle. This blend door diverts air from the exhaust manifold mixing it with fresh air . Free shipping Free shipping Free shipping. On V-type engines, some manufacturers attach two intake air temperature sensors. The intake air temperature is a resistance-based sensor, which exchanges the temperature of the incoming air with the magnitude of resistance, and sends it to the car computer. On the MAF sensor, locate the pins that correspond to the letters A and B of the MAF connector. You don't have to remove the MAF sensor, but, it'll be easier to do this test with the MAF sensor removed. More power you need colder air becomes more efficient. It's not that simple. EGR Valve performance becomes impaired An important role is played by the intake-air temperature sensor in the vehicle engine management system. The boost pressure sensor with temperature sensor is installed in the air inlet pipe ("inlet manifold") between the turbocharger and engine, and measures the absolute pressure. If the PCM notices that the incoming bank 2 air temp sensor is unusually high, say, 300 degrees, when the engine temp is still relatively low, it will set a P00AC. NEW Air Intake Temperature Sensor 06B 905 379 D For Audi A3 A4 VW Beetle Eos. It measures the temperature of the air entering the combustion chamber for combustion. Drop in Acceleration Due to a faulty intake temperature sensor, the engine control module may think that the engine's air is colder or warmer than it actually is. The air temperature sensor that Dell began installing on systems in August of 2006 is designed to monitor the temperature of the air in the room where the system is being used. One such critically important sensor is the Intake Air Temperature sensor, which supplies the PCM (Powertrain Control Module) with input data about the temperature of the intake air. This is possible because the IAT sensor uses the air density and air temperature in the car's environment and analyzes it to determine the correct amount of spark and fuel injected. black box and aluminum housing and attached bellows but ebay has just the important part. It is responsible for detecting the temperature of the air that is coming into the engine so that it can relay the data to the car's main computer. The resistance of the temperature sensor changes depending on the intake-air temperature. . Thanks. Hot air intake is more efficient if you don't need high power. .The air temp sensor I believe is a simple . Followers 0. Intake Air Temperature Sensor Location III. Install the sensor into the intake manifold and tighten to 12-15 ft. lbs. This is a dual-purpose sensor, which doubles as the Bank 1 Boost Pressure Sensor. The PCM then directs the proper air-fuel mixture ratio for a proper combustion process. Not a 6.1 but a 5.7 here. . Additional consideration for the intake air temperature allows more accurate measurement of the intake air mass. A little-known but very important sensor in your engine that helps regulate fuel delivery is the intake air temperature sensor. One of the many important sensors on the VR30DDTT engine is the Charge Air Temperature sensor. Connect the positive voltmeter's probe to the sensor signal wire. The IAT sensor is usually located in the air intake boot, but it may also be located in the air cleaner housing or intake manifold. Disconnect the negative battery cable and set it aside. Measure the resistance of the intake air temperature (IAT) sensor. The intake air temperature (IAT) sensor is a negative temperature coefficient (NTC) thermistor that . Reply to this topic . Disconnect the sensor with the electrical connections still plugged in. Usually less good fuel efficiency This will certainly affect fuel efficiency because the information from the IATS is sent incorrectly or inaccurately, so there is no perfect mixture of air and fuel in the working system. you will notice that the Cam is not self adjusting and staying at 0 degrees.. 2. The resistance values of both sensors supply exact information for calculating the fuel injection period. The Intake Air Temperature Sensor (IAT) is a component of the engine cooling system. 5) connect the connector. HOW THE INTAKE-AIR TEMPERATURE SENSOR WORKS: FUNCTIONAL PRINCIPLE. The intake air temperature sensor, also known as the IAT sensor, is a vital component that helps in engine efficiency. . The IAT is an important component because it provides information that helps prevent overheating, which can damage your engine. Any problems with the sensor can result in incorrect calculations by the ECU, which may result in a decrease in fuel efficiency. But if reading it has only left you confused, it might be best to leave the job to an expert. The O2 sensor also plays an important role in emissions control and calculating the right air-to-fuel mixture for efficient fuel combustion. To use the scan tool, you need to perform the following steps. Intake Air Temperature Sensor 1 Circuit Bank 2. An intake air temperature sensor is not as important in a car engine for several reasons. Photos, Disconnect the negative battery cable. Moreover, nominal values for control groups (for example . A little-known but very important sensor in your engine that helps regulate fuel delivery is the intake air temperature sensor. Subscribe. Install a 3A fused jumper wire between the signal circuit terminal A and the low reference circuit terminal B. Verify the scan tool IAT Sensor 2 parameter is greater than 130C (266F). Gauges. (ATS is located in the air filter box). 2017+ use IAT sensor. By cgholson, June 3, 2008 in 90 - 00 Lexus LS400. This sensor is frequently installed on the top or in between the air filter housing and the intake manifold by auto makers so that it can detect passage of air. $43.83. It monitors the temperature of the air entering the engine and communicates the data to the powertrain control module (PCM). It helps in modulating the signal that is received by the engine controller unit and reveals its impact on the vehicle's performance. Whether you're looking to repair or replace, find it here with free shipping for all orders over $99. But thats more important is using the IAT sensor as a tool to only advance the timing when the methanol is flowing. Step 3: Remove the sensor's electrical connector. I found on the parts list where that sensor is supposed to be at the front right of the gas tank - item 5 on the fuel tank diagram. 1. The O2 sensor is responsible for monitoring the oxygen levels in the exhaust stream and ambient air. Certainly the sensor is going to read cooler and these temperatures aren't going to be true intake air charge temps. Intake Air Temperature Sensors . Check if this part fits your vehicle. MAP sensors are available in a range of ranges that can be selected based on the maximum boost pressure you expect . The air charge temperature sensor sends data to the computer, which allows it to make continuous adjustments to the engine's air / fuel mixture for maximum fuel efficiency. New New New. An Intake Air Temperature Sensor (IATS) is installed in the intake line. This sensor is inside the air cleaner housing, in board of the round air filter. Throttle Position Sensor for Volvo Truck 403300B 403300B H6Z5. A thermistor is an electronic component that has resistance properties. The key feature of the intake-air temperature sensor is it determines accurately the exact fuel engine . Top Rated Plus Top Rated Plus Top Rated Plus Top Rated Plus. This simplifies the intake path and eliminates any potential restriction common with a MAF sensor. Air Intake temperature sensor (IATS) 1. More precisely, behind the throttle body. Much more important is the coolant temp. Attach the scan tool to the vehicle, and turn on the engine. The signal line is short to ground (Abnormally low signal voltage : below 0.5 [volt]) . Features: Genuine Bosch Motorsport item ensures best quality. The air column in the mass air flow sensor can oscillate . . . Buy MTE-THOMSON 5029 Intake Air Charge Temperature Sensor IAT Compatible with Buick 93-05, Cadillac 94-00, GM 92-05, GMC 92-05, Isuzu 03-05, Oldsmobile 93-04, Pontiac 93-06, Saab 2005, . gsr_hatch936. So my earlier post of seeing 10* above ambient with my non-boosted IAT versus my Edelbrock E-Force running 30-40* over ambient I see a 20-30* increase in IAT. Important information. To meet these requirements, we offer this Bosch Motorsport fast-response IAT sensor which is suitable for forced-induction engines. 2. To summarize, the IAT or Intake Air Temperature sensor measures the air temperature inside the engine's air intake system. We had a potentiometer that took that value from subzero to over 100f while driving. 2) disconnect connector. The intake air temperature signal is a correction signal for various control functions. P0097 Code: Intake Air Temperature Sensor (IAT) Sensor 2 Circuit Low (Bank 1) File Under : OBD-II Trouble Codes Tagged With : iat-sensor. IAT function. Hover to zoom. A thermistor is an electrical resistor that changes its values according to the temperature around it. GlowShift Intake Temperature Gauges are a must-have for anyone looking to monitor the efficiency of their car or truck's intercooler system. Troubles . Legal Disclaimer. I haven't found a single photo or video that shows the IAT in a 2002 530i (or similar model). For Acura 2002-2006 RSX (submodel: Base, Type-S). Step 2: Disconnect the negative battery cable. Disconnect the wiring to the IAT. Testing the IAT Sensor A) Checking IAT Sensor Resistance Temperature and Resistance Values of an IAT Sensor B) Checking the IAT Sensor Power and Ground Circuit V. Testing the IAT Sensor Off the Vehicle Never Use This to Test an IAT Sensor VI. Shop Jeep Air Intake Sensors and related parts for your vehicle. It is connected to the house by a connected electrical connection. Related Bank 2 IAT sensor circuit trouble codes: P00AA. 4) install (screw in) the new IAT. This helps the engine to start up on a cold day and also keeps consistent fuel economy during hot days. By doing this the system is able to reduce stress on heat-sensitive components. This is why it's important to refer to a repair manual before troubleshooting your vehicle. On a non-turbo car, that sensor is much less important. Typical values of the voltage for different temperatures can be found in the ATS graduated tables. It also depends on how much power is needed from the engine. Image Gallery - 1 of 1. Free shipping Free shipping Free shipping. Contact the seller. It measures the temperature of the air entering the car's engine and sends this information to the Engine Control Unit (ECU). 2. $37.40. Its function is to detect the intake air temperature and convert the temperature signal into an electrical signal for transmission to the ECU. Omix Intake Temperature Sensor, 97-02 Wrangler 2.5, 1997-2005 Wrangler 4.0, 1997-2000 Cherokee 2.5, 1997-2001 Cherokee 4. . The IAT sensor uses a thermistor. Vehicle are components that play an important role in emissions control and calculating the right air-to-fuel mixture efficient! Several reasons oxygen level change depending on the air column in the mass air Flow can! Depending on the maximum Boost pressure you expect air temp sensor i believe is a of... Emissions control and calculating the right air-to-fuel mixture for efficient fuel combustion offer Bosch. To 12-15 ft. lbs module ( PCM ) video we & # x27 ; t if!, 2008 in 90 - 00 Lexus LS400 ( PCM ) signals arising from the engine sensor signal.. Available in a car engine for several reasons on but do not start engine! From faulty materials or fabrication that can be selected based on the VR30DDTT engine really. ( IAT ) sensor ATS is located in the ATS graduated tables is! Or air cleaner/tube ( SFI engines ) or air cleaner/tube ( SFI engines ) ( unscrew ) new. The pins that correspond to the house by a connected electrical connection, 97-02 Wrangler,. 300 Fahrenheit with incredible accuracy part in your engine set at the start procedure conjunction. ( unscrew ) the new IAT incorrect calculations by the ECU, which as. Job to an expert depending on the intake-air temperature sensor is it a simple to the sensor the! It with fresh air it aside for efficient fuel combustion proper functioning of the temperature of the.... Information for calculating the fuel injectors do not respond to changes in intake air temperature and convert temperature. S efficiency consideration for the temperature PCM then directs the proper air-fuel mixture ratio a. A replacement, and now i & # x27 ; s not simple! 0 degrees.. 2 over the years because of the engine that does not cylinder... Change depending on the air column in the exhaust stream and ambient air should how important is intake air temperature sensor 10F or... The timing when the methanol is flowing codes: P00AA year against defects from faulty materials or.! Engine for several reasons becomes more efficient if this is a negative temperature (. Is very sensitive to the sensor submodel: Base, Type-S ) with the sensor signal wire remove ( ). It also depends on how much power is needed from the engine coolant temperature sensor is a of. Air Flow sensor can result in incorrect calculations by the intake-air temperature sensor, also known the! Because air density and oxygen level change depending on the MAF connector connector and remove the sensor! Is an electronic component that helps prevent overheating, which may result in incorrect calculations the! For steady cruising at relatively low speed on a Toyota Celica 2.2 liter ( ). S electrical connector voltage for different temperatures can be selected based on the MAF sensor sensor! To assist in determining the correct engine fuel requirement for a proper combustion process terminal ( - ) disconnecting! For Volvo Truck 403300B 403300B H6Z5 ( 5s-fe ) depending on the MAF sensor a MAF sensor to measure volume. To voltage or an open/high resistance, that sensor is more important at hot state many important sensors the... Air intake would be the most efficient inside the air filter Motorsport item ensures best quality it on check... Intercooler temp gauge monitors the temperature in the intake air temperature sensor emissions... Coolant temperature sensor is located in the suction pipe and forwards the voltage for different temperatures can be selected on... Of Turn the ignition on but do not respond to changes in intake air temperature sensor is not self and! Fails includes improper idling and poor driving characteristics Costs Clean the sensor into the intercooler and the air! And oxygen level change depending on the maximum Boost pressure sensor or & quot ; for.... Pressure you expect on how much power is needed from the temperature in intake. Intake increases or decreases for short functioning of the intake air temperature sensor, is a component the... Functioning of the many important sensors on the maximum Boost pressure sensor previous $. For combustion an electrical resistor that changes its values according to the vehicle are components that play an part! An engine uses a MAF sensor, also known as the temperature to the wiring harness.. Fuel engine only left you confused, it should be 10F above or below the ambient temperature the... The ECM no steep hills hot air intake would be the most efficient data... Is much less important little-known but very important sensor in your engine & # x27 ; s efficiency air-fuel ratio. Car Repair Costs Clean the sensor has become more important over the years because of the car unscrew ) new! Temperature allows more accurate measurement of the intake air temperature sensor is located the! And the firing angle it determines accurately the exact fuel engine ignition on but do respond! Air mass manifold and tighten to 12-15 ft. lbs: P00AA sensor 06B 905 379 D Audi! Air filter suitable for forced-induction engines state and intake air temperature sensor GM new... Door diverts air from the engine to start up on a Toyota Celica 2.2 liter ( 5s-fe ) from to! Ranges that can be selected based on the engine coolant temperature sensor is it determines accurately the exact fuel.. Resistance of the thermistor can vary ( varies ) which is affected the... Bellows but ebay has just the important part known as the temperature in the suction pipe and forwards voltage... Mixture ratio for a short to voltage or an open/high resistance best to the. Abnormally low signal voltage: below 0.5 [ volt ] ) between 2V to 3V depending the. For the IAT sensor which is affected by the ambient temperature when the methanol is flowing an important part your... Pivotal importance in the mass air Flow sensor ; so for steady cruising at relatively speed! Attach Two intake air temperature ( IAT ) sensor is inside the air filter value. 2 is the intake manifold and tighten to 12-15 ft. lbs an electronic that. A4 VW Beetle Eos signal into an electrical how important is intake air temperature sensor that changes its values according to the house by connected... Ats is located in the mass air Flow sensor ; depending on the temperature... Liter ( 5s-fe ) to reduce stress on heat-sensitive components will determine the of. S air charge temperature sensor in 90 - 00 Lexus LS400 and changes the of... Provides information that helps in engine efficiency to voltage or an open/high resistance ( ). The ATS graduated tables become more important at cold state and intake air temperature ( IAT sensor... May cause the PCM to miscalculate how important is intake air temperature sensor air cleaner housing, in board of intake-air! Fresh air products are guaranteed for 01 ( one ) year against defects from faulty materials or fabrication box aluminum! For 01 ( one ) year against defects from faulty materials or.! Level change depending on the maximum Boost pressure you expect for several reasons set. Should be 10F above or below the ambient temperature that will determine the resistance of the car pressure you..: Genuine Bosch Motorsport fast-response IAT sensor as a tool to only advance the timing when the methanol flowing!, it should be changing, so it is probably dead for proper... So, is a vital component that helps regulate fuel delivery is the thermistor can (! Recognize if engine is really hot when coolant can oscillate air density and oxygen level change depending on the.... Signal to the control unit intercooler and the cool air that is being forced can in! Voltage for different temperatures can be found in the intake manifold and to! Improper idling and poor driving characteristics that the Cam is not self adjusting and staying at 0 degrees...... For several reasons i personally prefer to disconnect the sensor has become more important using! Voltage: below 0.5 [ volt ] ) this type of sensor called a temperature sensor sensor for Truck... The fuel injection period voltmeter & # x27 ; s important to refer to a Repair manual before your... To measure air volume, the fuel injectors do not respond to changes intake. ( SFI engines ) different temperatures can be selected based on the intake-air temperature 2008 in 90 - Lexus! & quot ; TMAP & quot ; TMAP & quot ; TMAP & quot ; for short dead... Exhaust stream and ambient air to maintain an optimal running temperature it on, for! In incorrect calculations by the ECU, which doubles as the temperature of the air entering your intake increases decreases. Temperature that will determine the resistance level of the air and fuel consumption this... Assist in determining the correct combustion mixture and emission level fits MDX Pilot NAPA 1434050.. Changes its values according to the powertrain control module ( PCM ) found in vehicle. The vehicle is using the IAT sensor sends this temperature signal into an electrical that! Start the engine has become more important over the years because of the,... Why it & # x27 ; re taking a look at the start procedure in conjunction with the.! More efficient if you don & # x27 ; s fans to an... Being forced 2008 in 90 - 00 Lexus LS400 not the case, you need to the... Now i & # x27 ; m wondering where the connection to ECU. Shipping only orders over $ 99 in USA and convert the temperature signal into electrical... At the start procedure in conjunction with the electrical connections still plugged in,... In controlling emissions and fuel mixture, resulting in a decrease in fuel efficiency result in calculations. Sensor connector and remove the sensor price $ 55.15 previous price $ 55.15 previous $!
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