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2008 GMC Sierra 1500 SLE 5.3L Poor Idle Quality, miss
Help, This 5.3 came in amf lifter failed, replaced all the lifters, and I have a miss at idle only cyl 7 and about half the time one cyl 1. I drove 200 miles of highway and runs great, full power, oil psi runs right at 40 psi at 2000 and 25 to 30 at idle. ...
FIX posted 9/21/2022
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Message Closed w/FIX
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14 Replies Received
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Related Documents & Media | VIN | 3GTEK13J08 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / 5.3 |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Miss |
| Occurs | Idle |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
| P0307 | Cylinder 7 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 1500 SLE
| VIN | 3GTEK13J08 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / 5.3 |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Miss |
| Occurs | Idle |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
| P0307 | Cylinder 7 Misfire Detected |
Video