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1989 Cadillac DeVille 4.5L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire, Converter glows red
This car seems to be running very rich. Black smoke coming out of the tailpipe. Sounds kind of like the exhaust is stopped up but is getting a very good flow. Haven't checked with a backpressure gage yet but bet it's not stopped up. The cat. converter is red h...
FIX posted 2/27/2001
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Related Documents & Media 
| VIN | 1G6CD5157K |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / FI/TBI |
| Emissions | OBD I |
| Symptoms | Excessive Emissions, Poor Idle Quality, Cuts Out, Misfire, Converter Glows Red |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| E30 | Idle air control too high or too low |
| E32 | MAP sensor circuit open |
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Vehicle Data
1989 Cadillac DeVille
| VIN | 1G6CD5157K |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / FI/TBI |
| Emissions | OBD I |
| Symptoms | Excessive Emissions, Poor Idle Quality, Cuts Out, Misfire, Converter Glows Red |
| Occurs | Always, Under Load, Idle |
Trouble Codes
| E30 | Idle air control too high or too low |
| E32 | MAP sensor circuit open |
Video