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1991 GMC C7000 Topkick C7H042 6.0L Mechanical
Posted to GM Engine on 8/24/2006 11 Replies

ok i need some help this truk runs good on highway and high [...] when ideling very rough idle and stalls i chk the fuel presor is 30 psi i never show a TBI system with 30 psi it should be i think at 9 to 13 psi this the 2nd fuel pump that is this high the fue...

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car Vehicle Data

1991 GMC C7000 Topkick C7H042

VIN 1GDJ7H1P7M
Engine6.0 L / 8 cyl / GAS
Trans0-speed Automatic
DeliveryFI
Misc.Big Moving Truck
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car Vehicle Data

1991 GMC C7000 Topkick C7H042

VIN 1GDJ7H1P7M
Engine6.0 L / 8 cyl / GAS
Trans0-speed Automatic
DeliveryFI
Misc.Big Moving Truck