Question about 1991 GMC Sonoma
I changed the fuel pump and fuel filter on my 91' Sonoma recently and it ran again. The only problem is that it is idleing eratically. It runs this way most of the time. When its not idleing high, its not idleing at all. It goes back and fourth, but usually running very high.
Check the fuel filter-they had a recall on replacement filters(fram?-just google GMC Recalls) or go to 91 GMC Sonoma Repair=many sites to tell you and download manuel. Then the library has books if you dont. Good luck and God bless1
Posted on Mar 05, 2009
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Posted on Jan 02, 2017
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