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1986 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Cuts out, Misfire, Poor Fuel Economy
Own personnel car, restoring. Car won't idle, hesitates, backfires when throttle depressed at all timing settings, sounds very irregular. Replace ECM and Memcal. Had these codes before replacing ECM. Scan tool continues to get "Communication Mismatch" when I s...
FIX posted 1/17/2006
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1G1YY0783G |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SF1 |
| Emissions | FEDERAL |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 41 | incorrect prom cylinder select |
| 42 | esc |
| 43 | esc |
| 44 | lean |
Message Closed w/FIX
Vehicle Data
1986 Chevrolet Corvette
| VIN | 1G1YY0783G |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / SF1 |
| Emissions | FEDERAL |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 41 | incorrect prom cylinder select |
| 42 | esc |
| 43 | esc |
| 44 | lean |
Video