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2005 Pontiac GTO 6.0L Poor Idle Quality, MIL Lamp on
app sen 1 voltage only goes to 2.39v at wot app2 and both tpp sensors flip flop as they were supposed to. and now the idle even after tech 2 relearn wont drop below 2000. also we cleaned the throttle plate with castle induction cleaner it was gummed up. recent...
Summary posted 11/16/2011
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Related Documents & Media | VIN | 6G2VX12U25 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
| P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/Summary
Vehicle Data
2005 Pontiac GTO
| VIN | 6G2VX12U25 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | Fuel Injection / SFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
| P0507 | Idle Speed Control System Higher Than Expected |
Video