1990 GMC Jimmy Consumer Discussions

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Jimmy dies when i stop
Written by: 90jimmy on Dec 18, 2007 5:30:45 PM
i have a 1990 full-size GMC Jimmy with a 350 tbi motor in it, after the vehicle gets warmed up its starts to idle very low and almost dies whenever i come to a full stop, then if i turn the wheels either way it will die on me, we have replaced the injectors, cleaned out the egr valve, replaced all the spark plugs, and replaced the fuel pump, none of ... Read More

Re: 1990 GMC Jimmy idle and loss of power problems [pinchot13495]
Written by: repairdog on Mar 25, 2007 7:20:34 AM
Advance and Autozone and most stores will read the codes for free (this assumes the SES light is on so a posted code). They also have a free handout that tells you how to read them out yourself cause thus is a 90 so believe old system and you can get the light to flash the code out. Very common is the old CPI and nut kit which is the injection ... Read More
1990 GMC Jimmy idle and loss of power problems
Written by: pinchot13495 on Mar 24, 2007 9:43:35 PM
First time posting to this list which has been a great help in the past. I'm the second owner of the truck, I've had it now for about three years. It's high millage with 160,000 miles but at the time I purchased it with 150,000 miles I considered it a good buy because before it was owned by a group of sail plane pilots who kept every record on the truck ... Read More

JIMMY s15 clutch issues HELP
Written by: r0th77 on Mar 6, 2007 11:24:22 AM
I just got a new clutch on my 1990 s15 gmc jimmy 2 door 4.3L and it releases at the very top now after a month. also it chatters/ shakes reallllly bad! any info you have to help me will b awesome!