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1991 Cadillac Seville 4.9L Excessive Emissions, Poor Idle Quality, Misfire
Vehicle came in running poorly. code 46 present. Not much in ALLDATA on code. test fuel pressure-good. Monitor o2 on both banks, found right bank running rich. Found inj pulse width on Rt bank cutting back to compensate.. Spark strong. EGR valve on affected ba...
FIX posted 9/17/2013
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | 1G6KS53B3M |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / multi port |
| Emissions | Federal |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire |
| Occurs | Always |
Trouble Codes
| 46 | Right to left bank fuel imbalance |
Message Closed w/FIX
Vehicle Data
1991 Cadillac Seville
| VIN | 1G6KS53B3M |
| Engine | 4.9 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / multi port |
| Emissions | Federal |
| Symptoms | Excessive Emissions, Poor Idle Quality, Misfire |
| Occurs | Always |
Trouble Codes
| 46 | Right to left bank fuel imbalance |
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