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Sensors

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How to Replace an Exhaust Gas Recirculation (EGR) Pressure Feedback Sensor
Exhaust gas recirculation (EGR) systems use a pressure feedback sensor to tell the powertrain control module (PCM) how much exhaust gas is flowing.
How to Replace a Transmission Position Sensor (Switch)
Transmission position sensors (TPS) switch ensures a car is in Neutral or Park when started and shuts the car down if it's not in the right gear.
How to Replace an Evaporator Temperature Sensor (Switch)
The air conditioning system has an evaporator temperature sensor that fails when there is no cold air or the air conditioning is inconsistent.
What Does the Rain and Light Sensor Warning Light Mean?
The rain and light sensor warning light indicates when there is an issue with the sensor system. It will remain deactivated until fixed.
How to Replace an EVP Position Sensor
The EGR valve is monitored by a valve position sensor. This sensor helps your car's EGR system to run more efficiently and better control emissions.
How to Replace an Oil Pressure Sensor on Most Cars
Oil pressure sensors fail if the sensor light blinks or stays on constantly when the pressure if acceptable or when the gauge is at zero.
How to Replace a Fuel Rail Sensor
The fuel system has a fuel rail sensor which fails when the engine operates erratically, has difficulty starting, or the Check Engine Light comes on.
How to Replace a Speed Timing Sensor
Some signs of a failed speed timing sensor include a Check Engine Light and poor performance. It's also known as the crankshaft position sensor.
How to Replace an Injector Control Pressure Sensor
Diesel engines have an injector control pressure sensor that fails when there is hard starting, decreased power, or an illuminated Check Engine Light.
How to Replace a Manifold Temperature Sensor
Signs of a failing manifold temperature sensor include rough idling and a rough running engine, and may result in a failed emissions test.
How to Replace a Refrigerant Pressure Sensor
The air conditioning system has a refrigerant pressure sensor that goes bad when the air conditioning does not work or only works intermittently.
How to Replace the Speedometer Sensor on Most Cars
The speedometer has a sensor that fails if the speedometer or cruise control do not work, the Check Engine Light comes on, or the vehicle loses power.
How to Replace a Washer Fluid Level Switch
The washer fluid level switch fails when the Windshield Fluid Warning Light stays illuminated or there are unusual noises coming from the washer pump.
How to Replace a Steering Angle Sensor
A steering angle sensor fails if the Traction Control Light illuminates, the steering wheel feels loose, or the vehicle drives differently.
How to Replace a Car Battery Temperature Sensor
The battery has a battery temperature sensor that can fail if the Check Engine Light comes on, the battery voltage is low, or the RPM curve surges.
How to Replace an Exhaust Gas Recirculation (EGR) Temperature Sensor
Exhaust gas recirculation (EGR) temperature sensors monitor the EGR cooler's operation. One is on the exhaust manifold and one is near the EGR valve.
P0337 OBD-II Trouble Code: Crankshaft Position Sensor A Circuit Low Input
P0337 means that the crankshaft is suffering because of low voltage. This could be due to sensor not being aligned properly or electrical problems.
How to Replace a Camshaft Position Sensor
Camshaft position sensors determine the position of the camshaft in relation to the crankshaft to control the fuel injector.
How to Replace the Oil Temperature Sensor on Most Cars
Oil, as well as the oil temperature sensor, is crucial to the engine lubrication system. A bad sensor can lead to leaks and poor vehicle performance.
How to Replace a Yaw Rate Sensor
Yaw rate sensors monitor traction, stability, and the anti-lock braking system to alert you when the car tilts at an unsafe degree.

Related questions

Question
My car won't start after replacing the clutch.
Check the harness to the crankshaft position sensor as it is has a fused wire completing the circuit. When unplugging the sensor, the engine should not start at all. The only thing that can cause the engine to start with...
Question
where is the crankshaft position sensor located?
Hello, thank you for writing in. Unfortunately this is one of the components that they have hidden from us on this particular vehicle. It is best obtained from the bottom of the vehicle. It will be located above the starter,...
Question
06 mazda 3 car runs and idles but when I give it gas it will not accelerate
If you have a check engine light on and there is a major problem in the computer system or one of the major sensors then the computer will limit throttle opening. You should have the system scanned for codes and...
Question
Would a cam shaft positioning sensor cause my check engine and AT Oil Temp to flash?
The camshaft sensor will cause the check engine light to be illuminated if it is bad. It will not cause the transmission oil temperature light to come on. This can come on if the transmission is overheating, running hotter than...
Question
Replaced part after check engine light was diagnosed, but the check engine light came back on after a few days.
Hi there. The code P0010 is in reference of the Camshaft Position Sensor on your engine. Check the harness to the sensor and see if its hooked up properly. Then check the sensor for resistance as the engine is cranked...
Question
Location of oil pressure switch
The pressure switch is on the engine block, in the area of the crankshaft pulley. To replace it, disconnect the negative battery cable. Raise and safely support the vehicle. Disconnect the oil pressure sensor electrical connector. Position a drain pan...
Question
Fuel injection engine and I have to hold the gas to the floor in order to start
The vehicle should have the fuel pressure and computer system tested to see if the fuel system is flooding the engine or the computer system has sensors failing like the MAP sensor or throttle position sensor issues. The scanner can...
Question
is it possible to put crankshaft sensor where canshaft sensir goes, and visa versa?
For the question as to whether or not you can put the camshaft and crankshaft sensors into the wrong orifice, I don't see this being possible. The physical dimensions would be close, but the protrusion of the sensor pickup should...
Question
P0304 code.
You should make sure the mass air flow sensor is connected and inlet to throttle body hooked up. If it is and problem continues then tr to disconnect the MAF sensor and see if engine runs okay? If it does...
Question
Crankshaft positioning sensor location and easiest way to change
This engine has a crankshaft sensor mounted in the transmission housing at the left rear of the engine.
Question
Crankshaft position sensor keeps burning out
It's been my experience that typically when I have run across a situation where a sensor keeps failing in the same way, it comes down to one of two situations. Either there is a problem with the wiring/connector for the...
Question
overheating and engine is shaking.
The condition that is causing the electric fans to come on selectively would be caused by the coolant sensor / switch. The sensor / switch is loosing contact connections causing the connections to the fans to cut off making the...
Question
The odometer won't increase or change, it is frozen on 30k miles.
Check the vehicle speed sensor (VSS) on the transmission and see if its unplugged. If the wire is plugged in, then either the VSS is not working or the speedometer gauge is broken. If you need further assistance with your...
Question
Could this cause ur car to stall in warmer weather? My car never stalls during winter months. But from spring on its a neverendin
You should have the check engine light and engine scanned to see if the engine may be running lean due to low fuel pressures or clogged injectors. You should also have the mass airflow sensor cleaned and checked for proper...
Question
The Crankshaft Position Sensor broke at the block - how do i get it out? 1998 Chrysler Cirrus
Hello - I would soak it with penetrating oil (WD-40, PB Blaster, etc.) overnight, then try drilling the sensor for a screw/bolt extractor. If that fails, you may have to keep drilling with larger and larger bit sizes until, you...
Question
Bad fuel pump? 2004 BMW X3
Hi - short answer is "No: a fuel pump problem will not cause a camshaft position sensor problem". But, we all know Murphy's 2nd or 3rd law says that 2 things can fail close enough together to make us believe...
Question
My check engine engine light is on and the computer (ECM) said it's a crank sensor problem.
Check the crankshaft position sensor and see if there is a loose wire or if the remote wiring is disabling the sensor. If the wiring is good and the sensor is hooked up properly, then I recommend replacing the crankshaft...
Question
Car wont fire 1992 Oldsmobile Cutlass Ciera
Hello - looks like your crankshaft position sensor has failed. An OBD I Code 12 is the loss of reference timing, which comes from the crankshaft position sensor on this engine. I recommend a crankshaft position sensor replacement performed by...
Question
Message board displays low coolant but I just refilled last week?
Hello, and thank you for writing in. The first place to start is by checking the level of the coolant both in the coolant reservoir and in the radiator. Low coolant means you do in fact have a leak. If...
Question
Oil sensor in car is turning on and off 2014 Volkswagon Beetle
Hi - this is not normal, and is most likely a loose connector at the temperature sensor. This sensor will be screwed into the lower oil pan, which can by nature be a fairly oily area, making good electrical connectivity...

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