
2001 GMC Sierra 1500 SL 5.3L MIL Lamp on
Previous shop installed new o2 sensors, I verified that the correct banks got replaced. I got slow response from the MAF sensor, found that customer had installed gauze style air filter & had not oiled it, maf sensor was dirty, installed new maf sensor, new ai...
FIX posted 1/30/2008
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Message Closed w/FIX
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VIN | 2GTEC19T91 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
U1041 | Loss of Electronic Brake Controller Communication |
Message Closed w/FIX
Vehicle Data
2001 GMC Sierra 1500 SL
VIN | 2GTEC19T91 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
P1153 | Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching |
U1041 | Loss of Electronic Brake Controller Communication |