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1989 Chevrolet C3500 Cheyenne 7.4L Poor Idle Quality, Poor Fuel Economy
I AM GETTING A KNOCK SIGNAL ON MY OTC 4000E, ALSO TIMGING
IS BEING RETARTED 20deg, searched wiring diag. and they
indicated that this vehicle doesn't req. knk sensor.
FIX posted 12/13/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GCGC34N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1989 Chevrolet C3500 Cheyenne
| VIN | 1GCGC34N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always |
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