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1993 Chevrolet Lumina APV 3.8L Excessive Emissions, MIL Lamp on
excessive co, engine runs fine. will go to closed loop then open loop, stay mostly in open loop, if introduce vacuum leak, will will go closed then cycle. replaced o2 with delco unit, replaced coolant temp sensor, cleaned maf and inspected for vacuum leaks, no...
FIX posted 9/1/2010
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16 Replies Received
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Related Documents & Media | VIN | 1GNDU06L9P |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / port fuel inj |
| Emissions | obd 1,fed emissions |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
Message Closed
Vehicle Data
1993 Chevrolet Lumina APV
| VIN | 1GNDU06L9P |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / port fuel inj |
| Emissions | obd 1,fed emissions |
| Symptoms | Excessive Emissions, MIL Lamp On |
| Occurs | Always |
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