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2004 GMC Envoy SLE 4.2L MIL Lamp on
Over the past year or so this Envoy (which belongs to the office manager) has a problem where the PCM sets P1133 about twice a month or less. The problem is intermittent and always seems to run fine. However, the lights get rythmically dim then bright for 10 s...
FIX posted 1/30/2011
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GKDT13S04 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Message Closed w/FIX
Vehicle Data
2004 GMC Envoy SLE
| VIN | 1GKDT13S04 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Video