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2008 GMC Sierra 1500 WT 5.3L Poor Idle Quality, MIL Lamp on
check eng. light on p0121 p0506 idle goes up and down
sometimes too low eng. hesitates
FIX posted 8/4/2009
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 2GTEK19JX8 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / V8 SFI (LY5) |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
| P0506 | Idle Speed Control System Lower Than Expected |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 1500 WT
| VIN | 2GTEK19JX8 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / V8 SFI (LY5) |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
| P0506 | Idle Speed Control System Lower Than Expected |
Video