I recently replaced the computer in my 2002 Toyota 4-runner. Now my car is again misfiring and my mechanic says one of the cylinders is shot. Is this something they could've found when my spark plugs were also replaced?

Asked by gail0924 Nov 10, 2015 at 07:52 PM about the 2002 Toyota 4Runner SR5 4WD

Question type: Maintenance & Repair

In diagnosing the computer problem, my mechanic went over my car
thoroughly before diagnosing the computer malfunction.  Shouldn't he have
noticed a faulty cylinder?

4 Answers

F_O_R answered 8 years ago

If your computer was malfunctioning then your mechanic may not have been able to detect the misfire. What exactly do you mean by a faulty cylinder?

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FordNut answered 8 years ago

Really... a shot cylinder can mean sooooo many things

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