Question about 1997 GMC Jimmy
I have a 1997 GMC Jimmy SLE with 4.3 V-6 with the CSEFI injector system. I noticed the the truck was running rough so I removed the injector unit to clean it and then reinstalled the unit. Ever since I have not been able to restart the vehicle, I get a loud knocking noise when trying to turn it over, and to top it all off there is gas leaking from the muffler. I do not know what I have done wrong, I have looked and looked at the installation and everything seems to be where it should be. Can anyone out there please tell me if I missed a step or if by cleaning the injectors I have created another problem.
My Grandvan battery went dead next morning.I checked to see if I left anything on or open doors etc..nothing I go to charge the batttery and get a ground charge it works.I started it up this morning works..I'm just wondering why that happened and if something soon might happen
Posted on Jun 24, 2009
We had the same problem with a 95 Jimmy, Drain your oil, and if you get more than 5 qts it means the injection system failed and filled the bottom half of your motor with gas. You can simply check the level on the dipstick and smell it first before draining. We drained and replaced oil and filter, and the expensive injector assembly, but the motor only lasted 4 months after that and now I am replacing the motor in it. Check around to see if there is a product on the market to save the bearings in your motor before going through all the expense and work. Happy motoring.
Posted on Apr 24, 2009
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Posted on Jan 02, 2017
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