
1990 GMC C7000 Topkick C7H042 7.0L Hesitation
dont work on many of these. has code 44 lean exhaust, suspect fuel pressure 16 psi . doesnt fit normal tbi systems. most are 9-13lbs and i see some are 26-32. have no info on these heavy trucks as we rarley work on [...] is ,what should the fuel pressure be? t...
FIX posted 12/15/2009
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Message Closed w/FIX
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VIN | 1GDP7H1MXL |
Engine | 7.0 L / 8 cyl / GAS |
Delivery | FI / tbi |
Emissions | federal |
Symptoms | Hesitation |
Occurs | Cold, Under Load |
Misc. | 44 Lean |
Trouble Codes
44 | lean exhaust |
Message Closed w/FIX
Vehicle Data
1990 GMC C7000 Topkick C7H042
VIN | 1GDP7H1MXL |
Engine | 7.0 L / 8 cyl / GAS |
Delivery | FI / tbi |
Emissions | federal |
Symptoms | Hesitation |
Occurs | Cold, Under Load |
Misc. | 44 Lean |
Trouble Codes
44 | lean exhaust |