
2001 Pontiac Grand Prix SE 3.1L MIL Lamp on
This car orgininally started out with a lost of power in January. Had code PO300. #2 misfire. Cleared codes and test drove o.k. Came back in 2 weeks later, wouldn't go over 25mph. Plugged up cat. Replaced cat. Test drove fine. 2 weeks later came back with chec...
FIX posted 6/15/2005
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VIN | 1G2WK52J91 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / EFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P1811 | Maximum Adaptive & Long Term Shift |
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Vehicle Data
2001 Pontiac Grand Prix SE
VIN | 1G2WK52J91 |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / EFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
P1811 | Maximum Adaptive & Long Term Shift |