Miss fire

Asked by Nov 22, 2019 at 06:59 PM about the 2000 GMC Jimmy 2 Dr SLS 4WD SUV

Question type: Maintenance & Repair

I have a 2000 Jimmy 4x4. At first it had a
random miss fire I did all the tune up steps an
still had the problem!! I changed upper an
lower intake gasket an nothing change a few
days later it started idling faster so I changed
both idle air an throttle sensor an still nothing
changed rough idle an take off an now high
idle no less then 1200 rpm!!! An help or
suggestions would be greatly
appreciated!!!##become my hero##

2 Answers


Vacuum leak?

1 people found this helpful.

I covered every inch an found no vacuum leak: I found another computer all numbers matched cam out of same make an model an now it won’t start turns over an wants to start but nothing

Your Answer:

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