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richard 8/11/2012
2001 Toyota MR2 Spyder Base 4 Cyl 1.8L - Engine
0300 miss fire
Engine light came on.. Code said 0300 misfire
1 Answer
  • CVO
    CVO 8/12/2012
    Trouble Code: P0300
    Multiple Cylinder Misfire Detected
    Possible Causes:

    Air leak in the intake manifold, or in the EGR or PCV system
    Base engine mechanical fault that affects one or more cylinders
    Erratic or interrupted CKP or CMP sensor signals
    Fuel delivery component fault that affects one or more cylinders (e.g., a contaminated, dirty or sticking fuel injector)
    Ignition system problem (coil or plug) in one or more cylinders
    TSB EG011-01 (8/01) contains information related to this code.

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