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2007 GMC Envoy SLE 4.2L Poor Idle Quality
sit overnite and start up in morning cold start up idles rough and code comes back after [...] great [...] scanner is showing a possible o2 sensor primary the heated one but need voltage values cold and [...] cat,air eva and o2 sensor the heated one
FIX posted 3/7/2014
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GKDT13S77 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| P1400 | Manifold Differential Pressure Sensor Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2007 GMC Envoy SLE
| VIN | 1GKDT13S77 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| P1400 | Manifold Differential Pressure Sensor Circuit Malfunction |
Video