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1992 Cadillac DeVille 4.9L MIL Lamp on
We are lost on this [...] have cleaned all grounds,added a jumper ground off ground at alt bolt and performed tsb on main [...] have replaced ecm and park neutral switch but still get a service engine soon light and a code 91 after a very short [...] help to r...
FIX posted 3/3/2006
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Message Closed
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3 Replies Received
3 Replies Received
Related Documents & Media | VIN | 1G6CD53B6N |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 91 | park neutral switch concern |
Message Closed
Vehicle Data
1992 Cadillac DeVille
| VIN | 1G6CD53B6N |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 91 | park neutral switch concern |
Video