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1991 Chevrolet S10 Blazer Tahoe 4.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
I cannot get this truck to go into closed loop fuel control. The only scan data that doesn't make sense is O2 voltage. Snappy scanner shows .453 mv, never changes, regardless of engine temp or engine rpm. By backprobing near the computer(bed-of-nails clip on g...
Summary posted 6/15/2005
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Related Documents & Media | VIN | 1GNDT13Z0M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed emissions |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
1991 Chevrolet S10 Blazer Tahoe
| VIN | 1GNDT13Z0M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed emissions |
| Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
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