
1989 Cadillac DeVille 4.5L Poor Idle Quality
Car Idles a little on the high side [...] rpms but when put in gear it will idle around 750-850 rpm, no vacumm leaks, fuel trim 127, the problem is when you drive down the road at say 50 mph and let off the gas it will stay at 50 and very slowly drop. The TPS ...
FIX posted 4/15/2005
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Message Closed w/FIX
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VIN | 1G6CD5156K |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 |
Symptoms | Poor Idle Quality |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1989 Cadillac DeVille
VIN | 1G6CD5156K |
Engine | 4.5 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | OBD1 |
Symptoms | Poor Idle Quality |
Occurs | Always |