Here are the symptoms of a bad or failing Camshaft Position Sensor, how to tell if it has failed and how to replace It when it is bad.
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What is the Camshaft Position Sensor?
The Camshaft Position Sensor reports the location of the camshaft as it spins. The computer (ECM/PCM) uses the information for timing the engine.
Symptoms of a Bad Camshaft Position Sensor
Check Engine Light
Camshaft Position Sensor Codes
No Start
Stalling
Hard Starts
Rough or Eractic Idling
How Do You Find the Cam Sensor Having the Problem?
There can be one or multiple Cam Sensors.
V6 and V8 engines have two banks called Bank-1 and Bank-2.
Intake (‘A’) Camshaft Position
Exhaust ('B') Camshaft Position
Exmaple: P0341 Code: Camshaft Position Sensor ”A” Circuit Range/Performance (Bank 1 or Single Sensor)
Cam Sensor May have Relearn Procedure
If replaced, some vehicles need a Cam Sensor Relearn procedure.
When possible, it is best to replace the sensor with an OEM original.
Other Things That Can Also Cause Camshaft Position Sensor Symptoms
Bad Timing Chain or Belt
Wiring (Open / Short)
VVT (Variable Valve Timing)
Low or Dirt Oil
By using this information user assumes all risk of use.
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