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1992 Chevrolet Corvette 5.7L Poor Idle Quality, Surge
Hello all This car has a surging idle when it warms up to 215-230 deg. The idle goes up to 1500 rpm, if in gear or in neutral. The scan data shows IAC count going from 12 to 72 at the highest point. Both O2s show enrichment that corresponds exactly with...
Summary posted 11/29/2000
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| VIN | 1G1YY23P2N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / E.F.I |
| Emissions | ca |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Hot, Idle |
Trouble Codes
| 72 | shift switch....unrelated |
Message Closed w/Summary
Vehicle Data
1992 Chevrolet Corvette
| VIN | 1G1YY23P2N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / E.F.I |
| Emissions | ca |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Always, Hot, Idle |
Trouble Codes
| 72 | shift switch....unrelated |
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