Member
Was driving silver today. Drove 20 minutes and parked.
10 minutes later, was driving again. Drove for about 45 minutes.
Parked the car at the market. Came out 10 minutes later Car barely started and then died immediately.
Tried cranking the engine, it would turn over but not start. Called and got a ride home.
Came back about 3 hours later, car started up immediately.
Any thoughts? Fuel pump was replaced in June 2020. FDPM looked perfect.
Senior Member
Sounds dumb no that I reread this; check air intake. Replace (or tap on, or exchange) inexpensive fuel relay.
2003 300A Black, #4918 of 7838, 17,400 Miles
Tune, KYB's, JLT, FlowMaster 42441, Res Delete, New BFG's, 8 coats of zymoil Titanium
2003 300B Silver Birch, #21 of 419, 29,800 miles
Tune, JLT, FlowMaster 42441 Res Delete, New Nitto 235/255 Bigcarsforever dead peddle & custom SRP peddles, 5 coats Zymoil Titanium, Addco front and rear sway bars, KYBs, 1/2 inch coil cut, Sparta Watts link and Control Arms, Carfixer alignment.
2003 CV Sport Matador Red, 19,280 Miles, DD, Curless Full Service Royal flush, Marto Tune, 18 Chrome Wheels w 235/265 front/back Nitto tires, NEW OEM Sport Springs -1 coil & Monroe Severe Duty (front) shocks, Addco front and rear sway bars, KYB rear Shocks, Carfixer Alignment.
2004 CV HPP Silver Birch, 93,000 miles. Son's DD, 18 Chrome Wheels w 235/265 front/back Nitto tires (thank you Lowndex!)
Senior Member
Does it start when You hit the gas pedal while cranking? LmkOriginally Posted by BLACKMARAUDER04
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Senior Member
If fuel pressure is ok, then check for venting, maybe building suction in the tank....Undo gas cap next time it won't start
Senior Member
Relays are intermittent too. Tap or rotate.
2003 300A Black, #4918 of 7838, 17,400 Miles
Tune, KYB's, JLT, FlowMaster 42441, Res Delete, New BFG's, 8 coats of zymoil Titanium
2003 300B Silver Birch, #21 of 419, 29,800 miles
Tune, JLT, FlowMaster 42441 Res Delete, New Nitto 235/255 Bigcarsforever dead peddle & custom SRP peddles, 5 coats Zymoil Titanium, Addco front and rear sway bars, KYBs, 1/2 inch coil cut, Sparta Watts link and Control Arms, Carfixer alignment.
2003 CV Sport Matador Red, 19,280 Miles, DD, Curless Full Service Royal flush, Marto Tune, 18 Chrome Wheels w 235/265 front/back Nitto tires, NEW OEM Sport Springs -1 coil & Monroe Severe Duty (front) shocks, Addco front and rear sway bars, KYB rear Shocks, Carfixer Alignment.
2004 CV HPP Silver Birch, 93,000 miles. Son's DD, 18 Chrome Wheels w 235/265 front/back Nitto tires (thank you Lowndex!)
Member
Well it happened again right now.
Stepping on gas peddle does nothing.
Sounds like fuel pump stopped working. This was my second stop.
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Member
Someone, please tell us how to simply read fuel pressure to diagnose an issue like this. I tried to hook up to the fuel rail with a Harbor Freight Kit, but could not find the proper fittings.
Member
So opened up the distribution box under the hood. Pulled out the #5 fuse-(fuel pump) a yellow 20 amp. Put it back in and the car started right up. When I got home, I replaced both 20 amps (# 5 and 6)with new fuses. Hoping that solves the problem permanently.
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Senior Member
Let us know. Problem with intermittent electrical issues, is they can boomerang.
2003 300A Black, #4918 of 7838, 17,400 Miles
Tune, KYB's, JLT, FlowMaster 42441, Res Delete, New BFG's, 8 coats of zymoil Titanium
2003 300B Silver Birch, #21 of 419, 29,800 miles
Tune, JLT, FlowMaster 42441 Res Delete, New Nitto 235/255 Bigcarsforever dead peddle & custom SRP peddles, 5 coats Zymoil Titanium, Addco front and rear sway bars, KYBs, 1/2 inch coil cut, Sparta Watts link and Control Arms, Carfixer alignment.
2003 CV Sport Matador Red, 19,280 Miles, DD, Curless Full Service Royal flush, Marto Tune, 18 Chrome Wheels w 235/265 front/back Nitto tires, NEW OEM Sport Springs -1 coil & Monroe Severe Duty (front) shocks, Addco front and rear sway bars, KYB rear Shocks, Carfixer Alignment.
2004 CV HPP Silver Birch, 93,000 miles. Son's DD, 18 Chrome Wheels w 235/265 front/back Nitto tires (thank you Lowndex!)
Member
Problem is intermittent. It just happened again. Im thinking fuel pump is overheating and shuts off. Turns back on when cooled down.
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Senior Member
This is how they slowly fail. I think its a bad pump.
2003 Mercury Grandma on steroids
Sick-Speed play toy
If you have an Xcal Data log the FPDC. Max equals .49%.
Could also be the FPDM overheating or the relay like previously mentioned.
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SOLD 12/31/2021
Cobra short block / ProCharger F1-A / Cog drive upgrade / Manley valves / Brian Tooley Racing valve springs / 80# inj. / -8 fuel line / -6 return / Aeromotive 340 pumps and regulator / 2012 GT500 TR6060 six speed / twin disc clutch / Driveshaft Shop GT500 upgraded CV joint shaft / BA5000 blow thru MAF/ 4.10's / Ford Racing 31 spline set up and Girdle / Metco D.S. safety loop / Stainless Works headers, cats, and everything else out back / ClassGlass hood / Bob's hood strut mod / Hurst line lock / Metco control arms / Addco front and rear sway bars / Monroe severe duty shocks all around / Race concepts rotors / Badgeless grille / 35% tint / FBM's interior LED kit and ambient lighting kit / Pioneer FB700 deck / kenwood speaker 4 Ch. / Rockford Fosgate 10" sub and amp / Kicker 6 X 8's all around / back up cam / bluetooth / Pioneer Xm / 704 RWHP 603 RWTQ tuned by Mo's Speedshop.
Member
Well after 90 minutes, the car started right up. This time the engine light came on. P090. I looked it up and decided that the Fuel Injection Pressure Regulator Sensor needs replacing. Ford part 3R3Z9F972AA.
Price was $127.68 at Tasca.
I purchased a aftermarket unit on ebay
For $20.90 from a person here in California. Should have it tomorrow.
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Senior Member
Please let me know. I have same issue.
2003 300A Black, #4918 of 7838, 17,400 Miles
Tune, KYB's, JLT, FlowMaster 42441, Res Delete, New BFG's, 8 coats of zymoil Titanium
2003 300B Silver Birch, #21 of 419, 29,800 miles
Tune, JLT, FlowMaster 42441 Res Delete, New Nitto 235/255 Bigcarsforever dead peddle & custom SRP peddles, 5 coats Zymoil Titanium, Addco front and rear sway bars, KYBs, 1/2 inch coil cut, Sparta Watts link and Control Arms, Carfixer alignment.
2003 CV Sport Matador Red, 19,280 Miles, DD, Curless Full Service Royal flush, Marto Tune, 18 Chrome Wheels w 235/265 front/back Nitto tires, NEW OEM Sport Springs -1 coil & Monroe Severe Duty (front) shocks, Addco front and rear sway bars, KYB rear Shocks, Carfixer Alignment.
2004 CV HPP Silver Birch, 93,000 miles. Son's DD, 18 Chrome Wheels w 235/265 front/back Nitto tires (thank you Lowndex!)
Member
Installed the Ebay unit. It did not work properly as the car kept sputtering and then dieing. I am returning it.
I installed a unit from a 2003 CV that I saw at LKQ (junk yard). Car stated and ran normally. Will follow up.
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