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1990 Cadillac DeVille 4.5L Excessive Emissions, Poor Idle Quality, MIL Lamp on, shack at idle
came in no start w/ batt low,plugs gas foul [...] batt replace plugs eng starts but runs rough, code 49 A.I.R MANAGEMENT SYSTEM [...] switch and solenoid with master tec command a change and they respond , command EGR to open no luck .replace EGR [vacume style...
Summary posted 3/30/2003
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Related Documents & Media | VIN | 1G6CD5331L |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp on, Shack at Idle |
| Occurs | Always, Idle |
| Misc. | Port Fuel Injecton |
Trouble Codes
| 49 | A.I.R. management system |
Message Closed w/Summary
Vehicle Data
1990 Cadillac DeVille
| VIN | 1G6CD5331L |
| Engine | 4.5 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp on, Shack at Idle |
| Occurs | Always, Idle |
| Misc. | Port Fuel Injecton |
Trouble Codes
| 49 | A.I.R. management system |
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