Question about 1995 GMC Jimmy
When I letup on the gas it bucks, sometimes violently! Also when I back up it chugs and stalls, seems to be worse in warmer weather. It has new air cleaner, fuel filter and PCV. Any ideas?
Start taking off the top of the engine so you can get to the injector parts. Lots of hoses and stuff in the way so take your time. Once you get to a plastic tube plexus looking thing inspect all around that. They made these where the tubes cross each other and over time the vibrations make them rub through causing holes. Just replace that piece and should fix all the fuel pressure, bucking, bad starts and everything.
Posted on Oct 04, 2008
My 1988 GMC jimmy with V-8 and automatic transmission w/ over drive would buck and **** at low speeds. The problem was identified by a FixYa guy as a transmission problem and suggested I try adding a Lucas product transmission additive at about $4. I did that and I am amazed that the old truck runs smooth, even idles better and does not stall when I go to reverse.
Posted on Sep 11, 2008
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