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P0300 Chrysler

P0300 Chrysler - Cylinder Misfire Fault Detected Random Cylinders

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P0300 Chrysler Comments |  Add Comment
Possible causes
- Faulty spark plug (s)
- Faulty ignition coil (s)
- Clogged or faulty fuel injector (s)
- Intake air leak
- Fuel injectors harness is open or shorted
- Fuel Injectors circuit poor electrical connection
- Ignition coils harness is open or shorted
- Ignition coils circuit poor electrical connection
- Insufficient cylinders compression
- Incorrect fuel pressure
Help with Possible causes What does this mean?
Tech notes
The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes"
Help with Tech Notes What does this mean?
When is the code detected?
The control module monitors the crankshaft speed and has detected a misfire condition
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
P0300 Chrysler Description

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.

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CHRYSLER Technical Service Bulletins for P0300 code
2008 CHRYSLER SEBRING Electrical System Details
2008 CHRYSLER SEBRING CONV Electrical System Details
2008 CHRYSLER SEBRING 110000 Electrical System Details
2008 CHRYSLER SEBRING CONV 110000 Electrical System Details
2002 CHRYSLER SEBRING Electrical System Details
More Bulletins Help with Technical Service Bulletins What does this mean?
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