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Author Topic: fuel pump not primeing  (Read 1829 times)

Offline 0191joe123

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fuel pump not primeing
« on: 08 March 2009, 10:12 »
rite a just went to put sum petrol in the gti ,put petrol in went to pay and came bck and car wouldnt start engine just turning and turning and carnt here the fuel pump prime has done this a couple of times now but if i sit and turn the ignition on and of it eventualy primes and the car starts av changed the fuel pump relay and still geting this problem ..any ideas its got my head done right in :angry:
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Offline mattkh

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Re: fuel pump not primeing
« Reply #1 on: 08 March 2009, 10:28 »
Hi
Try a new ignition switch.
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Offline 0191joe123

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Re: fuel pump not primeing
« Reply #2 on: 08 March 2009, 16:21 »
got 1 on mate just changed it 2 mounth ag
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Offline mattkh

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Re: fuel pump not primeing
« Reply #3 on: 08 March 2009, 17:54 »
Hi
In that case, how old is the coil and what about the crank sensor.
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Offline Wayne

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Re: fuel pump not primeing
« Reply #4 on: 08 March 2009, 18:38 »
If the fuel pump is not priming and you have replaced the relay then maybe you have an ECU or pump problem.
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jamie16v

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Re: fuel pump not primeing
« Reply #5 on: 08 March 2009, 19:02 »
Quote from: wayned on 08 March 2009, 18:38
If the fuel pump is not priming and you have replaced the relay then maybe you have an ECU or pump problem.
seconded..
test it first, bypass the ecu and put a 12v straight to the fuel pump relay, if it still happens its the pump... if it doesnt then it could be the ECU..
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Offline rubjonny

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Re: fuel pump not primeing
« Reply #6 on: 08 March 2009, 19:39 »
could be a fault with ign switch or ecu relay
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Hello my name is John and I'm a dub addict.

Offline 0191joe123

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Re: fuel pump not primeing
« Reply #7 on: 08 March 2009, 20:17 »
hi mate it will prime eventually just need about 10mins turning ignition on an off ,av changed the fuel pump relay and ignition switch about a month ago ,havent changed the ecu relay do u think i shud try
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jamie16v

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Re: fuel pump not primeing
« Reply #8 on: 08 March 2009, 21:48 »
its deffo worth trying.. but i would try and diagnose the fault first...
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Offline 0191joe123

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Re: fuel pump not primeing
« Reply #9 on: 08 March 2009, 22:19 »
yeh mate av got vagcom just not the cable yet ,looks lyk its time to buy 1
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