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1993 Chevrolet K1500 Silverado, Ignition Waveform
A glitch in the REF HI signal is corrupting the EST signal, causing the stumble. Not sure if it's the ECM or distributor pickup.
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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
1993 Chevrolet K1500 Silverado 5.7L
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Ignition |
| Component | |
| Condition | Known Bad |
Video