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1987 Cadillac DeVille 4.1L Poor Idle Quality
Group, We are import specialists, but I ended up with this
job. I will admit GM is NOT my strong suit, but here's the
deal. Searched the archives, no help there.
FIX posted 5/23/2001
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Related Documents & Media | VIN | 1G6CD5183H |
| Engine | 4.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | fed |
| Symptoms | Poor Idle Quality |
| Occurs | Intermittently |
Trouble Codes
| 30 | ISC circuit |
Message Closed w/FIX
Vehicle Data
1987 Cadillac DeVille
| VIN | 1G6CD5183H |
| Engine | 4.1 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | fed |
| Symptoms | Poor Idle Quality |
| Occurs | Intermittently |
Trouble Codes
| 30 | ISC circuit |
Video