Question about 1997 GMC Jimmy
Check engine light goes off for a bit and back on , car surges when normal acceleration. Runs better when warmed up, terrible when cold have had on five different diagnostics and all recommend same things have replaced sparks plugs and wires distrbuter cap and roter buttonand throttle position senser 3 times in a year at advice from computer. nothing has changed. I honestly don't know where to go with this but now tags have expired and it failed emissions and I am disabled and need my jimmy. Please help.
I have same problem with my 2003 Dodge Grand Caravan.
I just read this article below, hope it will help you..
Posted on Nov 23, 2008
Have bad news for you
the valve springs get weak on the 4.3L motor and gonna need to get the heads redone
Posted on Feb 07, 2009
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Posted on Jan 02, 2017
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