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2001 GMC Yukon XL 1500 Denali 6.0L Hesitation, MIL Lamp on, reduced engine power
This roach came into the shop with a cel and reduced engine power light on. codes p1220 and p1221. another one of our techs replaced the tps on the throtle body 2 times. came back in with the same 2 codes and this time i drew the short straw and got to get my ...
FIX posted 8/31/2011
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Message Closed w/FIX
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8 Replies Received
Related Documents & Media | VIN | 3GKGK26G61 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp on, Reduced Engine Power |
| Occurs | Intermittently |
Trouble Codes
| P1220 | TP Sensor 2 Circuit Malfunction |
| P1221 | TP Sensor 2 1-2 Correlation |
Message Closed w/FIX
Vehicle Data
2001 GMC Yukon XL 1500 Denali
| VIN | 3GKGK26G61 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, MIL Lamp on, Reduced Engine Power |
| Occurs | Intermittently |
Trouble Codes
| P1220 | TP Sensor 2 Circuit Malfunction |
| P1221 | TP Sensor 2 1-2 Correlation |
Video