
2001 Pontiac Grand Prix GT 3.8L MIL Lamp on
Car came in with cat code [...] car and found rear o2 sensor damaged replaced and code came [...] trims [...] sensors and rear o2 stays flat but does move up and down when decelerating .Front o2 seems to be working [...] frame data show fuel trim about 0 temp ...
FIX posted 5/29/2011
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Message Closed w/FIX
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VIN | 1G2WP52K91 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2001 Pontiac Grand Prix GT
VIN | 1G2WP52K91 |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |