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1986 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy
5 Volt supply to hot-wire airflow meter is disappearing. ECU Pin B12 has 5 volts with key on & airflow meter disconnected. 2.5 Volts with airflow meter connected, as soon as the engine is started the voltage to pin B12 drops to 0 volts. If you blow air through...
FIX posted 2/15/2003
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Message Closed w/FIX
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | 1G1YY0787G |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBd1 |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
| Occurs | Always, Cold, Idle |
Message Closed w/FIX
Vehicle Data
1986 Chevrolet Corvette
| VIN | 1G1YY0787G |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | OBd1 |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy |
| Occurs | Always, Cold, Idle |
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