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1991 Chevrolet K1500 Cheyenne, Ignition Waveform
This vehicle came in with the complaint of an intermittent misfire at idle that could be felt and heard. It can be seen that channel B (red) which is the current ramp of the coil is not consistent at all. This is because the ICM is not correctly saturating the...
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| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Vehicle Data
1991 Chevrolet K1500 Cheyenne 5.7L
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
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