Engine/Transmission (1998.5 - 2002) Can A Failing VP44 Be Kept Alive With A Strong Lift Pump?

[Doc Tinker]

Is it possible for an injection pump that won't work with. . ahhh. . 10# of lift pump pressure still work with. . ummm. . 15# of lift pressure?



Doc

 

[Rob Thomas]

The one pump I saw fail, had great lift-pump pressure, 14psi, and just flat-out quit, and would not restart. So it was not possible in THAT case.



Later, Rob

 

[Chipstien]

Well, what is the pressure of the fuel after the injection pump? Be willing to bet it is a whole lot more than 15 psi. Answer to the ?... ... ... ... unlikely.

 

[MikeR]

Nope. The VP doesn't work that way.