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1996 GMC C1500 Sierra SL 4.3L Misfire
Posted to GM Driveability on 10/11/2005 18 Replies

Hi GM [...] misfires on accel. idles ok but when you give it gas it misfires on all cyls. fuel pressure spec is 60-66 psi . key on eng off fuel pressure is 58 psi . running about 55-56 psi . Is this low enough to cause a misfire? I have heard the poppets will ...

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  Related Documents & Media  1996 GMC C1500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W8T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 GMC C1500 Sierra SL

VIN 1GTEC14W8T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected