Operation CHARM: Car repair manuals for everyone.

Fuel Pressure



Fuel pressure at idle speed
Vacuum hose connected 3.2 - 3.8 bar positive pressure
Vacuum hose disconnected 3.8 - 4.2 bar positive pressure

Residual pressure after 10 min.
cold engine approx. 2.2 bar positive pressure
warm engine approx. 3.0 bar positive pressure