 
				
	| 1991 Pontiac Bonneville LE 3.8L Poor Idle Quality Car starts fine and runs good with no problems. When engine gets to normal operating temperature idle increases to [...] rpm. Sometimes shutting it off and restarting will drop idle to normal but not often. With a # 1228253 ECM I felt the computer was the only... 
                        
                            FIX posted 4/6/2006
                               
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 | Message Closed w/FIX 
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| VIN | 1G2HX54CXM | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / sefi | 
| Emissions | OBDII | 
| Symptoms | Poor Idle Quality | 
| Occurs | Hot | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1991 Pontiac Bonneville LE
| VIN | 1G2HX54CXM | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / sefi | 
| Emissions | OBDII | 
| Symptoms | Poor Idle Quality | 
| Occurs | Hot | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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