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1999 GMC K3500 Sierra SLT 7.4L Excessive Emissions, No Start, Poor Idle Quality, MIL Lamp on
Replaced coolant temp sensor and thermastat- tested all O2 sensors - replaced bank 2 sensor 2- run injector flow test with tech 2 - found no. 6 bad- cleaned than replaced all injectors and had fuel rail cleaned by Linder- checked removed tank cleaned- replace ...
FIX posted 9/29/2004
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Related Documents & Media | VIN | 1GTHK34J7X |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, No Start, Poor Idle Quality, MIL Lamp On |
| Occurs | Hot, Idle |
Trouble Codes
| P0125 | Engine Coolant Temperature Sensor Slow Response |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |
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Vehicle Data
1999 GMC K3500 Sierra SLT
| VIN | 1GTHK34J7X |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, No Start, Poor Idle Quality, MIL Lamp On |
| Occurs | Hot, Idle |
Trouble Codes
| P0125 | Engine Coolant Temperature Sensor Slow Response |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |
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