Use this fuel pump and vacuum tester to test the pressure on mechanical and electrical fuel pumps. The vacuum gauge can also diagnose improper valve timing, burned or stuck valves, sticking choke, leaking manifold, improper fuel mixture and more.
- Easy-to-read 4 in. diameter gauge
- Tests output pressure to 10 PSI
- Check mechanical or electric pumps
- Brass fittings
- Adapters to work with most vehicles
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