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1994 Buick Century Special 3.1L MIL Lamp on
The car had no code when it came in for a leaking head gasket. Changed the head gasket, started the car and the code came on I have no idea what caused it to come on. The car runs good, has no driveability problem but the light comes on and then it goes off an...
FIX posted 3/30/2008
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Message Closed w/FIX
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 1G4AG55M5R |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P1640 | Output Driver Module 'A' Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1994 Buick Century Special
| VIN | 1G4AG55M5R |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Idle, Intermittently |
Trouble Codes
| P1640 | Output Driver Module 'A' Circuit Malfunction |
Video