Quote:
Originally Posted by jeeper31
so I checked fuel pressure at rail by depressing shrader valve and got nothing. Then I put ignition to on and checked the fuel rail again and still nothing. You're saying it can still be the CPS and the only way to tell is to jumper the system and see if getting pressure by fuel rail?
|
The valve can be awkward to operate.It is an unusual size.
If there is zero residual pressure in the system & the pump does not run with key "on" Then the fuel pump electrical system is suspect. Easy to test.