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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
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
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