Question about 1999 GMC Sonoma
The fuel pressure regulators were recalled on some models of this truck.
Posted on Jul 14, 2010
You need to have fuel and spark. Check that both are present during start-up. Since the truck is an older one I would be prone to suggest, maybe you need a new fuel filter and or fuel pump. The fuel line pressure needs to be over 33psi. Test to verify. Take a look at the maintenance history. When was the last tune-up. Also if the Crank pos. sensor was failing that too could cause a hard start.Well let me know how it goes and if I can help some more.
Posted on Apr 28, 2010
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Posted on Jan 02, 2017
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