Working on 2003 GMC Sonoma Truck, Changed out the Fuel Pump and Fuel Filter, Also Changed out the IAC Valve, and the MAP sensor, Truck has hard starts but shuts down, unplugged the MAP Sensor and the truck idles fine, re-plug the MAP Sensor and the truck shuts down, what is the problem?
Could be a bad one even if its new it happens
Could be a bad one even if its new it happens try the old one again
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SOURCE: 2001 GMC Sonoma Engine stopped while driving
sounds like it could be plugged injectors or a timing problem.
SOURCE: 1995 GMC Sonoma wo't start
check the coil. maybe the gas fillter is pluged.maybe bad spark pulg wires. maybe wrong fireing order.maybe bad gas pump.
SOURCE: Truck getting too much gas
Did you check sensors such as crank senors? cam sensor? knock sensor? or mass air flow? Could all be causing it to get to much fuel. Just had same problem on 1997 Chevy Lumina
SOURCE: 1996 gmc sonoma idles high,
check over that snorkle good, ive created vaccum leaks there before. look over it all and make sure shits plugged in of coourse. clean throttle and if its still acting up tap on iac and egr valve make sure theyre not stuck
SOURCE: my 2001 GMC Sonoma is
Check for vacumn leaks ! Idle air compensator? clean throttle valve oppenings and air port opening,do you have check engine lite on,check EGR valve? Dirty fuel injectors ,bad pressure regulator?Check fuel pressure at fuel rail,at idle !
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