Check engine light on cylinder 3 misfire

Asked by Oct 06, 2014 at 08:36 AM about the 2002 Mazda Protege DX

Question type: Maintenance & Repair

My 02 Mazda Protege is throwing a cylinder 3 misfire code. Changed all spark plugs and both coil packs also both o2 sensors. Idols fine in park but idols below 1000rpm in drive. it chugs but runs fine when up to speed. please help!!!!

2 Answers

Yes and its still running rough. still chugging.

4 of 4 people found this helpful.
64,445

If it run,s good when up to speed,change the plug wire,s,sound,s like one may be bad,

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