i change coil packs, plugs & cleaned injectors but still misfiring

Asked by Deryl Feb 18, 2016 at 11:53 AM about the Mazda Protege

Question type: Maintenance & Repair

rough idle, holding back while driving

1 Answer
220,815

Rowefast answered 8 years ago

Holding back sounds like possible catalytic converter being plugged. Have it checked out at an exhaust shop.

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