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question about lucas pump - Printable Version

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question about lucas pump - bayley - 26-10-2012

over the last few weeks my car has started revving up and down on its own when i first start it and then when i pull of it pulls away on its own on and off.after a minute or so it is fine and when i turn the engine off the pump hisses Idealucas pump.changing for a bosh anyway but would like to know why this is happening.


Re: question about lucas pump - Dan! - 26-10-2012

Air getting into the pump. If you put a bit of clear pipe from the top of the filter housing to the pump you will probably see air bubbles in it while the engine is running. Basically means you have a leak somewhere. Squeeze the hand fuel primer until it goes hard then keep trying to squeeze it and you should hear hissing, look all around the fuel line, fuel filter, pump etc and find out where its leaking.


RE: question about lucas pump - Tom - 26-10-2012

Its probably because its shit. Wish i had a serious answer. Just an excuse to get the bosch on quicker tbh Wink


RE: question about lucas pump - bayley - 26-10-2012

makes sense dan...i will have a look incase its not from the pump itself.thank's for the honesty tom lol.dan is sorting my bosch pump and injectors out anyway,so goodbye to the lucas -_-


RE: question about lucas pump - Tom - 26-10-2012

(26-10-2012, 07:04 PM)bayley Wrote: makes sense dan...i will have a look incase its not from the pump itself.thank's for the honesty tom lol.dan is sorting my bosch pump and injectors out anyway,so goodbye to the lucas -_-

And good f*cking riddance i hope you say Wink


RE: question about lucas pump - WiNgNuTz - 26-10-2012

I need a Bosch Sad


RE: question about lucas pump - bayley - 26-10-2012

its done well so far tom..running 24psi ,k14 turbo,decat and middle box f*cked off and just a cobra back box,lol.its going straight in the scrap pile...period.


RE: question about lucas pump - bayley - 29-10-2012

(26-10-2012, 06:06 PM)Dan! Wrote: Air getting into the pump. If you put a bit of clear pipe from the top of the filter housing to the pump you will probably see air bubbles in it while the engine is running. Basically means you have a leak somewhere. Squeeze the hand fuel primer until it goes hard then keep trying to squeeze it and you should hear hissing, look all around the fuel line, fuel filter, pump etc and find out where its leaking.

you was right mate..it was a leaking pipe from filter housing to the pump,could see it bubbling and dripping diesel when i primed the bulb Smile