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1990 Chevrolet Corvette ZR-1 5.7L Poor Idle Quality, Surge, High Idle
Problem started after throttle body was removed to replace water pump. Throttle body & IAC motor & passage were cleaned before being reinstalled. Started engine & noticed very high idle speed when warm. Scan computer to see IAC counts. IAC counts are at zero &...
Summary posted 11/20/2002
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Related Documents & Media | VIN | 1G1YZ23J3L |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Surge, High Idle |
| Occurs | Hot, on Decel, Idle, Intermittently |
| Misc. | Zr1 Lt5 |
Message Closed w/Summary
Vehicle Data
1990 Chevrolet Corvette ZR-1
| VIN | 1G1YZ23J3L |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 6-speed Standard |
| Delivery | FI / SEFI |
| Emissions | OBD1 |
| Symptoms | Poor Idle Quality, Surge, High Idle |
| Occurs | Hot, on Decel, Idle, Intermittently |
| Misc. | Zr1 Lt5 |
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