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1990 Isuzu Trooper LS 2.8L Excessive Emissions, No Closed Loop
Hey guys I have this Trooper that has failed emissions. Being it has the GM 2.8L motor I hooked up the scanner and found that there is no Closed Loop Operation. Oxygen Sensor is at .450 volt and not moving/toggling. And the ECM is showing an operating temp of ...
FIX posted 4/11/2011
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| VIN | JACCH58R3L |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection / TBI |
| Emissions | US Federal Emissions |
| Symptoms | Excessive Emissions, No Closed Loop |
| Occurs | Always |
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Vehicle Data
1990 Isuzu Trooper LS
| VIN | JACCH58R3L |
| Engine | 2.8 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection / TBI |
| Emissions | US Federal Emissions |
| Symptoms | Excessive Emissions, No Closed Loop |
| Occurs | Always |
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