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1997 GMC K1500 Sierra SLT, Waveform
Waveform showing valvetrain noise on top trace which is connected to knock sensor, it appears to be intake valve opening, middle trace is ign secondary, bottom trace is sync on cyl 1 plug wire.
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| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Not Applicable |
| Component | Other |
Vehicle Data
1997 GMC K1500 Sierra SLT 5.7L
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed AutomaticTransmission (Electronic) |
| Delivery | Fuel Injection |
| Subsystem | Not Applicable |
| Component | Other |
Video