Fox T-Bird/Cougar Forums

Technical => Engine Tech => Topic started by: hooper4pres on May 29, 2010, 09:47:48 PM

Title: fuel pressure
Post by: hooper4pres on May 29, 2010, 09:47:48 PM
Havent hooked a gauge up to the rail yet (maybe no need) with the engine running (badly) If i push the needle on the test port in, gas comes out but with no pressure......I should be sprayed right?
I have been having all sorts of drivability issues, starting issues, idle problems. I have replaced everything except ign module and the fuel pump.......have i found my problem?:punchballs:
Title: fuel pressure
Post by: jandmmustangs on May 29, 2010, 10:56:53 PM
It could be a weak pump or a clogged up fuel filter.  Does the car run normally at idle without a load on it?
Title: fuel pressure
Post by: hooper4pres on May 30, 2010, 08:22:37 PM
everything wrong with the car did not add up. Pulled the tank and the fuel pump as a py rubber hose running from pump to outlet nipple.......cracked and split. New pump and hose installed. 30 minutes later roasted the tires off this thing! Life lesson #278- Just because your fuel pump runs doesnt mean you are getting the pressure you need.
Title: fuel pressure
Post by: Chuck W on May 30, 2010, 10:07:38 PM
It's possible someone used a non-submersible fuel hose.  I just took care of this issue on the turbo Volvo yesterday. 

If you used "std" EFI fuel hose, that's wrong too, but may last for a while.  Mine had some general fuel, PCV, EEC, Emission hose on it...it was dead.  I was upgrading the intank pump anyway, but made sure I used the correct Gates submersible fuel hose.  Expensive .
Title: fuel pressure
Post by: hooper4pres on May 31, 2010, 12:07:50 PM
no this was the original fuel pump setup. Being 25 years old i am glad to have replaced it