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1999 GMC K1500 Suburban SLE 5.7L Misfire
Vehicle has small mis fire at 55 to 60mph only going up a grade. Checked fuel pressure and was with in specs. at koeo and at koer. With fuel gauge on driving vehicle up a hill fuel pressure would flucuate at 48 to 52 psi and the gauge needle would go crazy. Re...
Summary posted 3/15/2012
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11 Replies Received
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Related Documents & Media | VIN | 3GKFK16R9X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
| Misc. | Has Rebuilt Engine |
Message Closed w/Summary
Vehicle Data
1999 GMC K1500 Suburban SLE
| VIN | 3GKFK16R9X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
| Misc. | Has Rebuilt Engine |
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