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1991 Chevrolet S10 Blazer 2.5L Poor Idle Quality, Poor Fuel Economy, pig rich cold
Complaint is that engine goes full rich in 30 seconds after start up before going into closed loop. Have basically tried everthing. Have a second vehicle close by that runs good which we have swapped the parts off of with out phasing the problem. No codes....
FIX posted 5/20/1999
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Message Closed w/FIX
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| VIN | 1GCCF14A9M |
| Engine | 2.5 L / 4 cyl |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, Pig Rich Cold |
| Occurs | Always, Cold, Before Closed Loop |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet S10 Blazer
| VIN | 1GCCF14A9M |
| Engine | 2.5 L / 4 cyl |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Poor Fuel Economy, Pig Rich Cold |
| Occurs | Always, Cold, Before Closed Loop |
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