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2007 Chevrolet Silverado 1500 Classic WT 4.3L MIL Lamp on
Cold idle is 1,500 rpm's for about a minute or so and controls respond when shifting to "D" or "R" to maintain idle but after a minute or two of warm-up the rpm's elevate to a fixed 3,000 rpm's until shut down. When engine is shut down a large hissing is heard...
Summary posted 6/18/2011
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Related Documents & Media | VIN | 1GCEC14X77 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| $10 | |
| P0106 | Manifold Air Pressure Sensor Range/Performance |
| P0121 | Throttle Position Sensor Range/Performance |
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0507 | Idle Speed Control System Higher Than Expected |
Message Closed w/Summary
Vehicle Data
2007 Chevrolet Silverado 1500 Classic WT
| VIN | 1GCEC14X77 |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| $10 | |
| P0106 | Manifold Air Pressure Sensor Range/Performance |
| P0121 | Throttle Position Sensor Range/Performance |
| P0122 | Throttle Position Sensor Circuit Low Voltage |
| P0507 | Idle Speed Control System Higher Than Expected |
Video