Ford Mustang Forum banner

fuel pressure regulator

  1. big cam bad idle, fuel pressur reg???

    5.0L Tech
    I have a 92 fox with a 408, victor JR heads stage 3 ported and a blower cam. 42lb injectors and a 255 fuel pump. I had the computer chipped and it runs, but I have to hold the pedal down to start it. Idle is horrible if in gear. I have the stock fuel lines(for the 5.0) on it(with the stock fuel...
  2. 91 5.0 fuel pressure problem

    5.0L Tech
    i have a91 5.0 with a fuel pressure problem ... i put a gauge on the schrader vavle behind the alt when i turn the key forward i here the pump "prime" but get no psi reading. the car will start eventually once it does i have 26-29psi with or without the vacuum hose attached to the stock fuel...
  3. 1993 Mustang LX Running Rich (i think)

    5.0L Tech
    Hey everyone, hoping you can help.. I have a 93 LX, 5.0, F303 Cam, ported GT40 heads, Trickflow R upper/lower intake, 155lph fuel pump, 26lbs injectors, MSD ignition, 75MM TB, AC-Smog delete, 70 MAF, recent tune, shorty headers with flowmasters, cold air intake, 93 octane pump gas, 14...
  4. Code P0193 ever after engine swap

    V6 Tech
    Ok ive done to much to this mustang to give up. I have a 99 v6 and the engine went out. It had a blown headgasket. before it went the check engine light was on and saying cylinder 3 misfire. i changed the plugs and everything but still was reading that and wasnt idling good at all. i figured it...
  5. 1987 Mustang GT IAC sensor issues

    5.0L Tech
    hey guys I have an 87 GT and its been ideling weird. Up and down sometimes, but most of all when its put into drive or reverse it will sometimes stall if I dont give it any gas but when put in park or neutral its not as bad. Could this be some symptoms of a bad iac????? I was thinkin fpr but i...
  6. 1992 Mustang LX 5.0 fuel pressure issues

    5.0L Tech
    I have a 1992 Mustang 5.0 with fuel issues. I'll start at the beginning so you have the best overall point of view. It started when it was idling in the driveway. The car stalled and would not start. After checking it was determined that the TFI on the distributor was bad. Changed that out with...
  7. 1993 Mustang GT Fuel delivery problems

    5.0L Tech
    The car: 1993 GT 5-speed, mostly stock. Some typical bolt-ons: cold air intake, exhaust, pulleys, etc. The only major upgrade is a cam. Backstory (skip if impatient): Bought the car about a year ago. After a couple months, fuel pump went out. I replaced the pump, but not sock/strainer in...
  8. My exhaust has a lot of carbon. how can I fix it?

    Classic Tech
    I have 67 mustang with a 302 in it. it has a 4 barrel edelbrock carb and there is a lot of carbon coming out of the exhaust. I have tried different kinds of gas and it all does the same thing. i also rebuilt the carb. does anyone have any suggestions? i was thinking a fuel pressure...