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1991 Chev/GMC Truck S10 2.5L Excessive Emissions, Poor Idle Quality, Stall, Misfire
We just got this in late today our driveability tech had a quick look. The unit won't idle on it's own. It's like it has a vacuum leak but it doesen't. When we were testing spark we found as rpm's get below 1000, # 2 cylinder looses spark and starts to miss . ...
FIX posted 9/2/1998
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Message Closed w/FIX
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| VIN | 1CGCST0A0M |
| Engine | 2.5 L / 4 cyl |
| Emissions | obd 1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Stall, Misfire |
| Misc. | Std Cab |
Message Closed w/FIX
Vehicle Data
1991 Chev/GMC Truck S10
| VIN | 1CGCST0A0M |
| Engine | 2.5 L / 4 cyl |
| Emissions | obd 1 |
| Symptoms | Excessive Emissions, Poor Idle Quality, Stall, Misfire |
| Misc. | Std Cab |
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