2002 Toyota 4Runner misfire - sensors?

Asked by Chief_66 Jul 06, 2016 at 03:32 PM about the 2002 Toyota 4Runner SR5 4WD

Question type: Maintenance & Repair

2002 $runner random misfire, MAF sensor is a possibility, any other sensors I could clean and how while I am at it?

2 Answers
101,585

KenF answered 7 years ago

just be sure and MAF cleaner only on the MAF, other spray cleaners are corrosive to it.

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Chief_66 answered 7 years ago

Thanks KenF,. I used MAF cleaner only and have put 25 miles and I am still having random misfireing. Is plugs, wires and coils replacement the next step? What about fuel injectors. At 250k miles, it could get expensive. Any suggestions?

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