1994 Jeep YJ Repair Question
Asked on January 30, 2011
Fuel pressure problem
94 jeep wrangler 2.5 mpi. keep loseing pressure .tested pump.putting out 39 psiif i clamp return line to tank got pressure run great pressure at around 90 psi as soon as i unclamp line bottoms out to 0 psi lustput pump in any thought signed FRUSTRATED
Asked by crowmanAnswer
Replied on January 30, 2011
That's indication of a bad regulator.
Replied on January 30, 2011
wich regulator just put 1 on the fuel rail still doing same thing
Replied on January 30, 2011
That's the one that's supposed to be holding it back. If you have 90 when it dead headed and good volume and 0 using the regulator, you have a bad regulator. Make sure you don't have the lines reversed although I don't think that can be done.