What do these fault codes mean for 97 Toyota Camry: PO300, PO302, PO303
70

Asked by lanastasi Aug 02, 2016 at 03:04 PM about the 1997 Toyota Camry CE

Question type: Maintenance & Repair

Check engine light stays on or flashes periodically.   The fault codes are:      PO300, PO302, PO300. 4 cylinder.
Unsure of select trim?

1 Answer
35,335

lrodri911 answered 8 years ago

It means you have a misfire. These are the possible problems: Most common issues are #1 and #2 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

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