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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
I am having a turbo sensor issue and I may have wiring issues also on my 2006 Volvo S60
Hello. If you suspect that the sensor was not replaced then that can be why the light is coming on. I would need to know what code is coming from the computer for it to be able to tell better...
Question
Why would my truck run better without the coolant temp sensor plugged in? 1990 Chevrolet K1500
Hello - coolant temperature sensors are variable resistor devices - the colder the coolant temperature, the greater the electrical resistance value reported to the engine computer. (The warmer the temperature, the less resistance.) An "open" condition, as in an incomplete...
Question
What all needs replaced when you change a camshaft position sensor? 2003 Hyundai Sonata
Hello - only the camshaft position sensor needs replacing. Sent to CS camshaft position sensor replacement
Question
I just got all my sensors changed and the check engine light came back on , he said we have to drive it for 50 miles, is that true
If have had multiple sensors replaced it is true you may need to drive the vehicle for about 50 miles for the computer to relearn the new sensors. The check engine light should not come on though. The check engine...
Question
I'm not sure if I should get a full diagnostic or if I should just replace a part
Any time the check engine light comes on the code that is stored is only a tool at finding the problem or cause of the check engine light. You should have the diagnostic pinpoint test done for the code you...
Question
I took my car in for a full service today. They did the service and my car suddenly cannot be driven. What could the issue be?
Hi there. If the code came on for the camshaft position sensor, then the computer has seen that the sensor is not working properly. If the vehicle was working before and now has the code for the camshaft position sensor,...
Question
After a radiator change, My car is shaking and emitting black smoke. What could be the cause? 2000 Volvo S80
Hello, your symptoms suggest a coolant temperature sensor failure, or wiring problem (cut wires or other "open circuit" issues). Changing the radiator may have caused the sensor to be bumped, or the wiring for this sensor to be damaged. An...
Question
I scan the car and this two codes comes out P2106 and P2135 and i will like to know what can i do if i have to replace all the par
The two codes P2106 and P2135 are listed in a technical bulletin from Ford number 05-14-4. The bulletin calls for replacing the throttle position sensor and reprogramming the engine computer to a later calibration using the WDS scanner or equal....
Question
Hood sensor
Such a system is very limited in extent, and works using simple components. The Factory Service Manual for this vehicle will have a test protocol for the system. In addition, if the work was done at a Mercedes Benz dealership,...
Question
My advanced track warning light came on after I hit a curb the other day. Now my car pushes to the left and there's a loud noise.
Hi there. The car bent the suspension and the advanced track sensor sees that the angle of the wheel is not straight. Check the suspension and see if anything is bent or broken. A bent suspension component will make the...
Question
Cam module replaced per computer car still won't start
The engine should be checked to see if the engine camshaft is turning. You may have a broken timing belt if the engine is turning but the cam is not. This would give you no cylinder compression and the engine...
Question
Does the code need to be erased after the part is replaced in order for the vehicle to start??
It is not a requirement to clear the code for the vehicle to restart if the problem is the crankshaft sensor. The engine should start. You should now clear the code and see if the code now returns. You most...
Question
P0011 trouble code and there is a loud noise behind the engine.
Hi there. The code P0011 is stored for the camshaft position sensor is not registering to the computer. Check the camshaft position sensor and see if its working and plugged in. It is possible that the sensor has failed and...
Question
Driving down the road in 2013 Nissan altima coupe and the vehicle stopped pulling on its own.
Hi there. If you have replace the sensor and the codes are coming back on, the there could be an issue with the shift solenoids inside the transmission. The code P0500 is coming up for the output shaft speed sensor...
Question
Out of the blue when I started car, the engine and gas was fine when cranked but the car did not fully start. The engine oil pressure light came on.
Hi there. Check the engine oil level. If the oil level is low, then top off and recheck the symptoms. If the engine oil is full and the oil pressure light is lit up on the dash, then either the...
Question
The crankshaft sensor blows when car is put in reverse.
The problem is going to be caused by a short in the harness that goes down to the crankshaft sensor. Check to see if the motor and transmission mounts are broken allowing the engine to move too far and hitting...
Question
Camshaft sensor leaks oil 2008 Chevrolet Colorado
Hi there - not entirely sure what your question is. The cam position sensor, while getting oil splashed on the sensor tip, has an o-ring on it to seal against oil leaks. It doesn't not normally leak oil if the...
Question
I was rear ended by another car. The insurance team repaired my rear bumper free of cost. 2 days later my ABS lights came.
Hi there. If you were at a dead stop with the brake pedal on the floor and a vehicle rear ends your vehicle, then there is a good possibility that the brake system could become damaged if your vehicle moved...
Question
How to replace crank sensor on 95 lesabre
In order to replace the crankshaft sensor on the 3.8 L Buick LeSabre you will need to remove the crankshaft damper using a puller and the sensor is mounted behind the damper. Once the sensor is replaced the damper must...
Question
my 04 eclipse wont start no spark from plugs or anything i was driving and it just shut off i replaced timing belt crank sensor an
In the event that diagnostic trouble codes have been set by the PCM, downloading those codes will greatly narrow the possibilities that you have to consider. No spark could be due to bad grounds (possibly in the plenum area; see...

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