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Fuel pump runs on and on and on

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Fuel pump runs on and on and on

Postby Tidzy » Thu May 30, 2013 7:26 pm

sometimes if you turn car off you can here the fuel pump still pumping.... it dont stop


any ideas?
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Postby miles1234 » Thu May 30, 2013 10:19 pm

Sounds like a dodgy tachy fuel pump relay , swop it with a good spare .
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Postby MAD-PUG » Thu May 30, 2013 10:20 pm

Tachometric relay.
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Postby craigoodwood » Fri May 31, 2013 7:33 am

if the car stalls the pump will keep running anyway, it sounds like the tacho relay has failed in a different way to normal they usually fail and dont pump, you'll find it under the steering wheel next to the ecu ;)
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Postby Tidzy » Fri May 31, 2013 8:23 pm

took the relay out and cleaned it out with electric connection cleaner and she is sound now..

thanks guys
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Postby Tidzy » Fri May 31, 2013 8:24 pm

took the relay out and cleaned it out with electric connection cleaner and she is sound now..

thanks guys
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Postby MAD-PUG » Fri May 31, 2013 9:13 pm

craigoodwood wrote:it sounds like the tacho relay has failed in a different way to normal ...)

It sounds like the contacts inside the relay are sticking together, in which case the problem will possibly return, - unless you opened the relay casing, and cleaned inside it.
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Postby Tidzy » Fri May 31, 2013 9:29 pm

yeah i stripped it down mate totally....
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Postby Tidzy » Sat Jun 01, 2013 3:28 pm

nope its knackered..


need a new relay
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