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1992 Cadillac DeVille 4.9L Poor Idle Quality
hi techs got a super clean caddy true 50000 miles complaint of poor idle quality did complete tune up wires plugs etc still at idle runs rough once off idle it is fine no codes fuel pressure is good any ideas would be helpful thanks.
FIX posted 12/17/2009
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Related Documents & Media | VIN | 1G6CT53B1N |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | fed emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1992 Cadillac DeVille
| VIN | 1G6CT53B1N |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | fed emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
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