what does "multiple misfires" code usually indicate

Asked by May 06, 2015 at 07:49 PM about the 2003 Chevrolet TrailBlazer LT 4WD

Question type: Maintenance & Repair

2 Answers

86,635

The most common problem is the spark plugs, but you can also have coil trouble, or injectors with poor flow, there can be any number of things, but do the plugs first.

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Also replace the fuel filter is it hasn't recently been replaced.

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