Vacuum Gauge/Economy Meter
PURPOSE
Tests engine manifold vacuum during engine operation to detect:
1. Obstruction of exhaust air flow.
2. Sticking valves.
3. Broken valve springs.
4. Low compression.
5. Ignition timing problems.
6. Vacuum leaks.
PURPOSE
Tests engine manifold vacuum during engine operation to detect:
1. Obstruction of exhaust air flow.
2. Sticking valves.
3. Broken valve springs.
4. Low compression.
5. Ignition timing problems.
6. Vacuum leaks.