SOURCE: Truck losing power and service engine soon light on
Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.
SOURCE: oil pan removal on 2002 gmc sierra
did you pull the rubber plugs between the motor and trans out? there are either nuts or bolts up there
SOURCE: I have a 2001 GMC Jimmy and a computer check has
if it was me i would give these guys a call and talk to them they sells only GM-parts its Schram auto & truck parts 1800-292-1032 and they website is www.schramauto.com and maybe they can help you narrow it down good luck Michigan Man.
SOURCE: 1998 GMC Sierra- runs rough then stalls when
had this problem on my neighbors 98 chevy truck with the same engine !!
it turnd out too be the fuel pressure regulator,you have too pull the upper intake too replace it!!
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