Safely tests vehicle fuel pressure systems on GM TBI vehicles not equipped with a Schrader or fuel access valve test port on the fuel line.
* Fuel pump check valve i.e. leak down test
* Fuel pressure regulator
* Weak fuel pump
* Fuel line integrity i.e. clogged or damaged fuel filter
* Leaking injector(s).
* Large, easy to read 0-60psi scale
* 36in. flexible connection hose
* Adapter fitting for GM TBI systems without a fuel access valve test port (fits M16 x 1.5 Line Fittings)
* Pressure relief valve for safe, clean testing
* Solid brass fittings
* Instructions in English, Spanish and French
* 1 year warranty