Po300
I have a 2007 HHR 2.2 l it's throwing the code
po300 I replaced two spark plugs and on coil
because it was throwing the code for those
cylinders now it's throwing this one someone
please help me where is a good place to start
Asked by Stacie Apr 08, 2017 at 03:10 PM about the 2007 Chevrolet HHR LT Panel FWD
Question type: Maintenance & Repair
I have a 2007 HHR 2.2 l it's throwing the code
po300 I replaced two spark plugs and on coil
because it was throwing the code for those
cylinders now it's throwing this one someone
please help me where is a good place to start
P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders...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...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....https://youtu.be/QdWd68bVm30
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