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Author redtop question
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
6th May 10 at 20:04   View User's Profile U2U Member Reply With Quote
when turning the key the fuel pump dosnt power up.. tried the fuel relay but still dosnt work if i put a live to the wire to the pump it powers up... just not when i turn the key?

any ideas?



[Edited on 06-05-2010 by boz_gsi]
nad123
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Registered: 25th Jun 09
Location: south wales
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6th May 10 at 20:32   View User's Profile U2U Member Reply With Quote
crank sensor?
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
6th May 10 at 20:37   View User's Profile U2U Member Reply With Quote
it runs when i connect live to pump, but trys to cut out then saves itself.. just keeps doing that
craig_s
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Registered: 5th Mar 06
Location: Birmingham Drives: mk4 astra gsi
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7th May 10 at 17:12   View User's Profile U2U Member Reply With Quote
wiring to the fuel pump relay correct?
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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7th May 10 at 17:30   View User's Profile U2U Member Reply With Quote
will run when cranking
mex
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Registered: 25th Apr 10
Location: East Yorkshire
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7th May 10 at 17:30   View User's Profile U2U Member Reply With Quote
fuel pump wiring was the same on mine dodgy connection
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
7th May 10 at 21:47   View User's Profile U2U Member Reply With Quote
im trying a new loom fed up of following wirers, if you put a live feef to relay pump come on, tried the relay, so goin to try loom as ita abit of a mess anyway.. then ill go from there
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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8th May 10 at 01:10   View User's Profile U2U Member Reply With Quote
the pump doesnt prime until you crank the engine. it wont prime with ignition.
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
8th May 10 at 11:17   View User's Profile U2U Member Reply With Quote
yer but fuel rail isnt pressuring up, plus used a tester at the fuse box, and theres no feed



[Edited on 08-05-2010 by boz_gsi]
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
8th May 10 at 13:39   View User's Profile U2U Member Reply With Quote
fuel pump should prime for a second or two when turning ignition on, hence the word 'prime'
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
8th May 10 at 13:40   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by nad123
crank sensor?


whats that got to do with fuel pump not working?
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
8th May 10 at 19:24   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by john_c20xe
fuel pump should prime for a second or two when turning ignition on, hence the word 'prime'


it doesnt opperate until you crank the engine.
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
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8th May 10 at 19:46   View User's Profile U2U Member Reply With Quote
usually the pump will prime the fuel rail when you turn the ignition on? sure it does
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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8th May 10 at 19:50   View User's Profile U2U Member Reply With Quote
dunno none of my xe's or let's have done.
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
8th May 10 at 19:52   View User's Profile U2U Member Reply With Quote
im sure if you let the pressure out of your rail then if u put ignition on and go back to it it will have pressure there again, i may be wrong but im sure thats rite lol

[Edited on 08-05-2010 by boz_gsi]
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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8th May 10 at 19:55   View User's Profile U2U Member Reply With Quote
99% sure xe's and let's dont prime pump with ignition. unless its wired up wrong. i am sure from factory they only work on cranking, no prime.
Robo C20Let
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Registered: 22nd Feb 10
Location: Somewhere inside your mom !!!
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8th May 10 at 20:04   View User's Profile U2U Member Reply With Quote
the fuel pump only works when cranking over, mine is the same
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
8th May 10 at 20:07   View User's Profile U2U Member Reply With Quote
oo ok cool.. cheers for that
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
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10th May 10 at 09:50   View User's Profile U2U Member Reply With Quote
seems weird that it doesnt prime on igntion im sure most cars do?
boz_gsi
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Registered: 12th Apr 07
Location: stoke-on-trent
User status: Offline
10th May 10 at 10:57   View User's Profile U2U Member Reply With Quote
thats what i thought mate
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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10th May 10 at 11:19   View User's Profile U2U Member Reply With Quote
well it definitely doesnt.
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
10th May 10 at 20:52   View User's Profile U2U Member Reply With Quote
you are right sorry it doesnt

 
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