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Changed the fuel pump but whe I go to turn the car on it will only stay on for a second then back fire then it turns off
Check your fuel filter, make sure the fuel pump is getting constant power, check for consistent spark and compression.
Common Problems > GMC Sonoma
Q&A > GMC > 1998 GMC Sonoma
Q&A > GMC > 1996 GMC Sonoma
Q&A > GMC > 1997 GMC Sonoma