Ok, finally got some time to work on the x-90.
Replaced the FPreg. Put the fuel pressure gauge back on the fuel filter, keyed on, heard pump, pressure read 15 lbs. keyed on again, pressure still read 15 lb. Tried one more time, same result.
Decided to see if it would start. Turned key over and it started. Some delay to start but not much. Checked pressure, just under 40lbs.
Engine still would not advance under quick throttle. I could get it to pick up by being very ginger with the throttle.
Turned key off. Checked pressure gauge, 0 lbs.
Keyed on again, heard pump, 0 lbs pressure. Try this several more times, same result..
Turn key over, car starts.
FPreg is working, pulled vacuumed on it.
No fuel leaks, checked work and around pressure gauge.
Replace front O2 sensor too.
Hope you can help, I am at a loss for what to do next.
Replaced the FPreg. Put the fuel pressure gauge back on the fuel filter, keyed on, heard pump, pressure read 15 lbs. keyed on again, pressure still read 15 lb. Tried one more time, same result.
Decided to see if it would start. Turned key over and it started. Some delay to start but not much. Checked pressure, just under 40lbs.
Engine still would not advance under quick throttle. I could get it to pick up by being very ginger with the throttle.
Turned key off. Checked pressure gauge, 0 lbs.
Keyed on again, heard pump, 0 lbs pressure. Try this several more times, same result..
Turn key over, car starts.
FPreg is working, pulled vacuumed on it.
No fuel leaks, checked work and around pressure gauge.
Replace front O2 sensor too.
Hope you can help, I am at a loss for what to do next.