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i just got all at once codes p0301,p0304,p0305 what could cause this

Vehicle: 2002 ford ranger 6 cykender

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HI there,

When yo have this many codes on the same bank of the engine it usually indicates a possible timing issue. You may also have a leaking intake or faulty coil, but since it's on the same side I would start with a compression check to see if the timing is ok.

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