
1996 GMC C1500 Sierra SL 4.3L Misfire
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 ...
FIX posted 10/11/2005
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VIN | 1GTEC14W8T |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1996 GMC C1500 Sierra SL
VIN | 1GTEC14W8T |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |