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1994 Cadillac DeVille Concours 4.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on
What I don't know about Cadillacs could fill volumes, so I need some help. This one idles horribly most of the time; misfiring and surging with ISC going crazy. But occasionally it will smooth out and purr like a kitten. This may occur sporadically several tim...
FIX posted 9/10/2002
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Related Documents & Media | VIN | 1G6KF52Y7R |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI ? |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | Concours |
Trouble Codes
| 107 | PCM/IPC data link problem |
| 23 | Ignition conrol circuit problem |
| 25 | 24X signal low |
| 39 | TCC problem |
| 47 | PCM/IPC data link problem |
| 83 | 24X signal high |
Message Closed w/FIX
Vehicle Data
1994 Cadillac DeVille Concours
| VIN | 1G6KF52Y7R |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI ? |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | Concours |
Trouble Codes
| 107 | PCM/IPC data link problem |
| 23 | Ignition conrol circuit problem |
| 25 | 24X signal low |
| 39 | TCC problem |
| 47 | PCM/IPC data link problem |
| 83 | 24X signal high |
Video