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1990 Chevrolet Motorhome, Vacuum/Pressure/Flow Waveform
Blue trace is sync probe. Red trace is first look. Engine at idle. Vacuum erratic.
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| Engine | 7.4 L / 8 cyl |
| Delivery | Fuel Injection |
| Subsystem | Engine/Propulsion |
| Component | |
| Condition | Known Bad |
Vehicle Data
1990 Chevrolet Motorhome 7.4L
| Engine | 7.4 L / 8 cyl |
| Delivery | Fuel Injection |
| Subsystem | Engine/Propulsion |
| Component | |
| Condition | Known Bad |
Video