caddypete Posted September 22, 2009 Report Share Posted September 22, 2009 I was checking the fuel pressure on my 2000 Eldo. When I turn the ignition on I get 40 psi. With engine running 35-40 psi mostly around 38. If I disconnect the vacuum line to the FPR it holds at 46psi. My question is what are the specs for the fuel pressure suppose to be? I thought it should be 40-50 psi at idle. Is it time to replace the pump? Link to comment Share on other sites More sharing options...
JimD Posted September 22, 2009 Report Share Posted September 22, 2009 ....My question is what are the specs for the fuel pressure suppose to be? I thought it should be 40-50 psi at idle. I have a 1998 and a 2004 Service Manual and I cannot locate a fuel pressure specification. The fuel pressure readings I have taken on both a 1998 and a 2004 engine gave values in the 38 to 40 PSI range. But the calibration and accuracy of the pressure gauge can be questioned. For me, the true test would be -- can you wind the engine to red-line RPM in 2nd gear without a stumble? If the answer is YES, your fuel pressure is adequate. Jim Drive your car. Use your cell phone. CHOOSE ONE ! Link to comment Share on other sites More sharing options...
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