
1991 Pontiac Firebird 3.1L MIL Lamp on
Help!!!! This firebird initially came in for an oil leak. I replaced the distributor o-ring and fixed the leak. Approximately 45 days later it came back with the MIL illuminated and a hard code 42 (est ckt open/grounded) and a lack of power complaint. Followin...
Summary posted 1/14/2008
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Message Closed w/Summary
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VIN | 1G2FS23T7M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Emissions | US FEDERAL |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Prom Id #721 |
Trouble Codes
42 | EST ckt. open or grounded |
Message Closed w/Summary
Vehicle Data
1991 Pontiac Firebird
VIN | 1G2FS23T7M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI |
Emissions | US FEDERAL |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Prom Id #721 |
Trouble Codes
42 | EST ckt. open or grounded |