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1987 Chevrolet S10 Blazer 2.8L Excessive Emissions
My real concern relates to the quickness this transitions to open loop from closed at idle. In closed loop, emissions are passable, though I'd feel better with a new cat conv. At idle it'll go open loop in 5-10 seconds, and immediately fail emissions. Current ...
FIX posted 2/18/1998
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Message Closed w/FIX
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| VIN | 1GCCS14R1H |
| Engine | 2.8 L / 6 cyl |
| Emissions | US FED Emissions, OBDI |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
| Misc. | Early Tbi |
Message Closed w/FIX
Vehicle Data
1987 Chevrolet S10 Blazer
| VIN | 1GCCS14R1H |
| Engine | 2.8 L / 6 cyl |
| Emissions | US FED Emissions, OBDI |
| Symptoms | Excessive Emissions |
| Occurs | Idle |
| Misc. | Early Tbi |
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