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1993 Chevrolet S10 2.8L Excessive Emissions, Poor Fuel Economy
Fails smog test at idle , goes into open loop the moment idle occurs, off idle goes into closed loop and emission drop to normal. Checked all power and grounds at ECM..ECM will set code if induced by disconnecting component, TPS, MAP, COOLANT. Blocked off air ...
FIX posted 9/10/1999
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Related Documents & Media 
| VIN | 1GCCS14RXP |
| Engine | 2.8 L / 6 cyl |
| Emissions | CA EMISSIONS |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always, Idle |
| Misc. | Pick-Up |
Message Closed w/FIX
Vehicle Data
1993 Chevrolet S10
| VIN | 1GCCS14RXP |
| Engine | 2.8 L / 6 cyl |
| Emissions | CA EMISSIONS |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always, Idle |
| Misc. | Pick-Up |
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