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1991 GMC C1500 Sierra SLE 5.0L Excessive Emissions
The Emission Readings I gave are from an Emission Test, the Limit for HC is 103, the Limit for CO is 0.73 and the Limit for Nox is 1760. So my problem is that I can't get HC's down. I have limited experience with propane and could really use some help on this ...
FIX posted 3/14/2001
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| VIN | 2GTEC19H6M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Emission Test |
| Misc. | Propane |
Message Closed w/FIX
Vehicle Data
1991 GMC C1500 Sierra SLE
| VIN | 2GTEC19H6M |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI |
| Symptoms | Excessive Emissions |
| Occurs | Emission Test |
| Misc. | Propane |
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