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1999 GMC C2500 Sierra SLE 5.7L Poor Idle Quality, Misfire
I have instsalled a new updated injection from central SFI to MFI on this vortec and this truck isnt running on #5 #7 #6 #8 it is still reading full rich and at about 2500 to 3000 rpm it clears up fuel trim reads -30 on both banks and o2s read full rich at idl...
Summary posted 10/23/2012
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Related Documents & Media | VIN | 1GTGC24R7X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Idle |
Message Closed w/Summary
Vehicle Data
1999 GMC C2500 Sierra SLE
| VIN | 1GTGC24R7X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always, Idle |
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