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Topic: Cossie Eating fuel pressure regulators (Read 430 times) |
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Ultima_Bloke
Full Member
Ex Ultima Hatchback Owner
Posts: 378
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Cossie Eating fuel pressure regulators
« on: Feb 23rd, 2008, 10:06am » |
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Hi all
dads cossie appears to be eating fprs. After a 70 mile trip we switched it of for 10 mins, started again and pulled off the kerb then it died. Started again and died straight away. it then did this 6 times on the trot then it wouldnt fire. After reading on the forums we changed the fpr. Car ran well for about 20 miles and then died again same problems. We suspected a dodgy fpr so changed it again. 10 miles down the road the same problem. Has any one got any idea what is likely to be causing this??
Any help greatly appreciated.
Thanks
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Cossie Eating fuel pressure regulators
« Reply #1 on: Feb 23rd, 2008, 12:23pm » |
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Dodgy fuel pump relay ? 
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Nick
Newbie
12v LPG Ultima Estate
Posts: 19
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Re: Cossie Eating fuel pressure regulators
« Reply #2 on: Feb 23rd, 2008, 5:37pm » |
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Doesn't the pump run continuously ?
(reason I ask is that my LPG 12v is running full bore even though zero fuel is being used)
Nick
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If it ain't broke.....
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Scorpio_Mike
Senior Member
Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: Cossie Eating fuel pressure regulators
« Reply #3 on: Feb 23rd, 2008, 6:25pm » |
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Pretty sure the fuel pump runs continuously to maintain fuel pressure - excess is returned to the fuel tank.
Could the FPR problem be dodgy wiring ? Every time you are unplugging / re-plugging the connection is becomes a good connection but after a short time the connection is breaking 
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD
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Alastair
Full Member
2.3 Ghia X & MGB Roadster
Posts: 129
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Re: Cossie Eating fuel pressure regulators
« Reply #4 on: Feb 23rd, 2008, 7:11pm » |
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Hi Ultima
could be the EIDS unit wiring (black and white) from EIDS - ECU - Fuel pump.
Alastair
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Cossie Eating fuel pressure regulators
« Reply #5 on: Feb 24th, 2008, 2:08am » |
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My experience of a faulty FPR is trouble starting when warm. Usually starts on the second or third attempt but with a strong smell of petrol coming through the vents
My personal experience of the same kind of problem that you have, was a faulty/overheating fuel pump relay
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: Cossie Eating fuel pressure regulators
« Reply #6 on: Feb 24th, 2008, 7:11am » |
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Relay 17 in the passenger side (auxilliary) fusebox.
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