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1991 Cadillac DeVille 4.9L Excessive Emissions, Poor Idle Quality, Hesitation
Hi All ! This is our first post, hope we do it right! We have a running rich problem with no codes that has got us stumped. Nothing out of the ordinary on the scanner, low intergrater numbers, looks like ecm trying to drive it lean,02 volts at about .750 to .9...
FIX posted 2/21/1998
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| VIN | 1G6C053B8M |
| Engine | 4.9 L / 8 cyl |
| Emissions | CA. Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation |
Message Closed w/FIX
Vehicle Data
1991 Cadillac DeVille
| VIN | 1G6C053B8M |
| Engine | 4.9 L / 8 cyl |
| Emissions | CA. Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation |
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