- Joined
- Mar 10, 2008
- Messages
- 72
- Reaction score
- 1
- Points
- 0
- Location
- Noethern Ohio
- Vehicle Year
- 87-97
- Make / Model
- ford only
- Engine Size
- V6
- Transmission
- Manual
i cked my fuel rail psi and at key up its 30psi. idle is 30psi and highest i could get it to go is 36psi by reving the motor. its a 97 4L. i called the parts store they told me the pump is rated at 70 to 90 psi? wif! i have a ck eng light on for lean b1 and b2. changed the fuel filter bout 600 miles ago(also egr iac and both b1 and b2 o2's). truck has 100k on it. what should i be getting from the fuel rail as a reading? this ck eng light is kickin my butt. this is my dd. cant have down time, i think its time for a pump and screen. part store said its 79 bucks for the pump, 8 for the screener. but its 99 for the whole sending unit, pump and all. thinkin about going with whole assy. ne ideas would help.