Excessive Fuel Pressure

BlueChevelle

New Member
Apr 3, 2009
9
0
0
So heres my story. My 90 hatch 5.0l was running fine til my return line blew a hole. So i got some both supply and return lines from the front all the way to the back. I changed them, and then the car started running pig rich. I checked, and cleared the codes, put a fuel pressure gauge off the schrader valve on. My fuel pressure pegged past 60psi! So i then changed the fuel pressure regulator to a Kirban adjustable. Fire up the car, and i get the same thing. It doesnt matter how much i adjust the regulator it still reads past 60psi. Any ideas?
 
  • Sponsors(?)


BlueChevelle

New Member
Apr 3, 2009
9
0
0
So i figured it out. I guess when i put the new rubber lines from the tank to the steel lines and put the tank back up, the vent line hose pressed against the return hose causing no fuel coming back to the tank. So dropped the tank fixed the problem (definitely not much room there) and fuel pressure is back to normal.
 
Thread starter Similar threads Forum Replies Date
S Fuel Excessive Fuel Pressure 98 Mustang Gt SN95 4.6L Mustang Tech 10
98blackstallion 320 Lph In Tank Fuel Pump And Stock Regulator? Excessive Flooding? 1996 - 2004 SN95 Mustang -General/Talk- 4
1 Excessive Fuel Tank Fumes !!! Fox 5.0 Mustang Tech 3
ACSPONY Suspension Excess play in rear suspension, springs not staying in place Fox 5.0 Mustang Tech 6
D Excessive shaking during rev up 1965 - 1973 Classic Mustangs -General/Talk- 2
D Excessive sludge found 1965 - 1973 Classic Mustangs -General/Talk- 10
JCBeaver Drivetrain Excessive Vibration at 4K+ RPM while in gears - Any ideas why? 1993 Mustang GT 5.0 with T5 Fox 5.0 Mustang Tech 11
C 98 GT - excessive vapor coming out of one tailpipe in cold temp SN95 4.6L Mustang Tech 1
9 1994 Cobra 331 Dart Supercharged Excessive crankcase Pressure!! Help! 1994 - 1995 Specific Tech 6
W Engine Inconsistent idle and excessive vibration. Fox 5.0 Mustang Tech 17
F Excessive Play In My Steering Wheel Fox 5.0 Mustang Tech 4
rattlecan96gt Modular Headshop/excessive Motorsports 1996 - 2004 SN95 Mustang -General/Talk- 51
7991LXnSHO Allied Nationwide Insurance 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 1
tbear853 How I Removed Excessive Rear Fender Gap .... Pics 2005 - 2009 Specific Tech 1
87_LX_5.0 Excessive Toe-in After Brake/suspension Install Fox 5.0 Mustang Tech 12
cdurbin Excessive Heat 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 10
R Forged? 6spd? Preemptive or excessive? 2005 - 2014 S-197 Mustang -General/Talk- 11
92BlackWidowHO Hesitation/excessive Backfiring At High Rpms. Fox 5.0 Mustang Tech 16
Pvt_D Excessive smoke any help? Classic Mustang Specific Tech 1
DeadEnd Excessive Cranking?? 1994 - 1995 Specific Tech 10
9 Ring & pinion excessive backlash Fox 5.0 Mustang Tech 5
MRaburn Excess Ford Mustang stock flattens Ford?s Flat Rock facilities StangNet Site News 0
bgdowski Excessive rich condition Fox 5.0 Mustang Tech 5
M Misfire-Excessive Heat- Melting plastic smell- RPMs stay high after letting off pedal SN95 4.6L Mustang Tech 20
R excessive drivshaft play? Fox 5.0 Mustang Tech 3
R excessive play 2.3L (N/A & Turbo) Tech 3
Platonic Solid Tire Age: Safety Hazard - Excessive Paranoia - or Sales Promo Classic Mustang Specific Tech 29
SHOJOE Excessive coolant pressure? Fox 5.0 Mustang Tech 12
rayvinton excessive heat on rear brakes SN95 4.6L Mustang Tech 3
grey racer excessive rear brake pad wear 2005 - 2009 Specific Tech 12
98E9GT Excessive Ripple??? SN95 4.6L Mustang Tech 8
9 Piston ring end gap excessive on rebuild Fox 5.0 Mustang Tech 6
DarkoStoj excessive distributor shaft play, msd distributor Fox 5.0 Mustang Tech 2
myponyrocks Excessive shifter movement? SN95 4.6L Mustang Tech 13
hotcobra03 excessive wheel spin =clogged cac SVT Tech Forum 5
XavB excessive bumpsteer with 96 and up spindles Fox 5.0 Mustang Tech 9
deftsound Excessive accessory noise 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- 5
Tom95gt excessive wheelhop 1994 - 1995 Specific Tech 8
T 331 Stroker Excessive Crankcase pressure problem 1994 - 1995 Specific Tech 12
T Excessive Crankcase pressure 1994 - 1995 Specific Tech 0
L excessive TV pressure Fox 5.0 Mustang Tech 1
nonglossjason brake floating too excessive Fox 5.0 Mustang Tech 8
R Excessive Play in Steering column after road race practice SN95 4.6L Mustang Tech 4
K overheating and excessive water leaking from exhaust Fox 5.0 Mustang Tech 5
Rickyll7 excessive gear whine GONE after 31 spline swap! SN95 4.6L Mustang Tech 4
grantur01 please help with excessive oil blowing out of motor. Classic Mustang Specific Tech 24
stang730 Will excessive heat kill batt? Fox 5.0 Mustang Tech 2
BlackVert loose header bolt = excessive valve noise? 1994 - 1995 Specific Tech 5
1 Engine Light: EGR Excessive Flow SN95 4.6L Mustang Tech 2
V Excessive Motorsports vs Springfield Motorsports Regional Forums and Event Information 10
Similar threads