G 3500 1 Ton Van V8-454 7.4L (1989)
![background image](/gmc/g_3500_1_ton_van/v8-454_7.4l/Page-579001.png)
Manifold Pressure/Vacuum Sensor: Testing and Inspection
Chart C-1D - Manifold Absolute Pressure (MAP) Output Check
Manifold Pressure/Vacuum Sensor: Testing and Inspection
Chart C-1D - Manifold Absolute Pressure (MAP) Output Check