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1996 Pontiac Grand Am SE 2.4L Excessive Emissions, MIL Lamp on
we have a first time customer in our shop with a mil light on and code p0420 stored in memory. customer has had the cat replace at another shop, but i am not sure if it is the correct one. scan data shows rear o2 is able to move high-low on voltage but has a l...
FIX posted 6/12/2001
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G2NE52T9T |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Hot, Cruise |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1996 Pontiac Grand Am SE
| VIN | 1G2NE52T9T |
| Engine | 2.4 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Hot, Cruise |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video