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1990 Cadillac DeVille 4.5L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Hello, I have a 1990 Cad DeVille from a friends repair shop. Old engine had 131000 miles slight rod noise. Shop put in new GM engine complete out of crate. Upon startup engine runs like full rich mode. Does not clear up even when warm. R/S has replaced ECM-GM ...
FIX posted 8/11/1999
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| VIN | 1G6CD5339L |
| Engine | 4.5 L / 8 cyl |
| Emissions | CA Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 13 | Oxygen Sensor |
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Vehicle Data
1990 Cadillac DeVille
| VIN | 1G6CD5339L |
| Engine | 4.5 L / 8 cyl |
| Emissions | CA Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 13 | Oxygen Sensor |
Video