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Home > Help Needed / General Tech Chat > Should fuel pump run constantly? | |||||||
455 Posts Member #: 1502 Senior Member Aberdeenshire, scotland. |
3rd Oct, 2008 at 11:06:53pm
Hi,
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![]() 3692 Posts Member #: 1833 Formally mini_majic Auckland, New Zealand |
3rd Oct, 2008 at 11:11:09pm
i would have thought that it will constantly run and keep the pressure up but then the amount of feul returned into the tank will vary depending on how much feul your engine is depending.
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![]() 7765 Posts Member #: 74 I pick holes in everything.. Chief ancient post excavator |
3rd Oct, 2008 at 11:14:44pm
Ignition = pump on on a injection/turbo Mini. On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem. |
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![]() 2924 Posts Member #: 95 Post Whore liverpool-on-sea |
3rd Oct, 2008 at 11:15:16pm
i wouldnt have it running all the time you can wire it up so it runs when cranking then runs when the engine is running. also you need some for of cut off in emergency like a inertia switch which will kill the pump when you crash
no longer a series, but still 1.3 turbo.
On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl. |
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![]() 11046 Posts Member #: 965 Post Whore Preston On The Brook |
3rd Oct, 2008 at 11:15:27pm
what car/ engine is this pump on?
Edited by Sprocket on 3rd Oct, 2008. On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be... So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'... On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........ |
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![]() 3692 Posts Member #: 1833 Formally mini_majic Auckland, New Zealand |
3rd Oct, 2008 at 11:16:19pm
few, got one right!! |
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![]() 2924 Posts Member #: 95 Post Whore liverpool-on-sea |
3rd Oct, 2008 at 11:17:48pm
On 3rd Oct, 2008 Carl said:
i wouldnt have it running all the time you can wire it up so it runs when cranking then runs when the engine is running. also you need some for of cut off in emergency like a inertia switch which will kill the pump when you crash sorry meant IF you crash oops no longer a series, but still 1.3 turbo.
On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl. |
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![]() 4559 Posts Member #: 786 Post Whore Bermingum |
4th Oct, 2008 at 12:34:13am
Hi,
VEMs Authorised Installer / Re-seller. K head kits now available!
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455 Posts Member #: 1502 Senior Member Aberdeenshire, scotland. |
4th Oct, 2008 at 12:43:19am
Cheers guys, yeah im gonna nab an inertia switch off a car asap. Not running it without one. have access to a range rover classis one if that will do?
Edited by hammoj28turbo on 4th Oct, 2008. |
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![]() 5988 Posts Member #: 2024 Formally Retired Rural Suffolk |
4th Oct, 2008 at 07:29:11am
On 4th Oct, 2008 hammoj28turbo said:
Nabbing a relay off an escort sounds like a plan, any reason why an escort though?lol If I'm thinking along the same lines as Bat, the early Golf GTi had the same - basically the early fuel injected cars used a predominantly mechanical fuel injection system (K-Jetronic I think it was called) which didn't have electrical injectors under the control of an ECU, but a mechanical metering system instead, so there wasn't an ECU to contol the stop start function of the pump relay. Instead they built the circuitry on a small board inside the relay case. It comprised a timer to run the pump for a couple of seconds when the ignition was turned on and then it stopped the pump until the engine was started. You'll need the wiring diagram of the donor car to see what the engine running signal to the relay is - on the Golf I think it was either oil pressure or tacho, can't remember which. Schrödinger's cat - so which one am I ??? |
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![]() 4559 Posts Member #: 786 Post Whore Bermingum |
4th Oct, 2008 at 09:05:07am
Hi,
VEMs Authorised Installer / Re-seller. K head kits now available!
|
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![]() 2924 Posts Member #: 95 Post Whore liverpool-on-sea |
4th Oct, 2008 at 10:33:56am
you can do it with a normal 5 pin relay and using the oil pressure light feed. think metty turbos do it this way. this is the way i used to do it but i never quite perfected it and the oil light used to glow very dimmly when engine was running i was sure it just needed a diode or summot.
no longer a series, but still 1.3 turbo.
On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl. |
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493 Posts Member #: 3894 Senior Member sallys gap. garden of Ireland |
4th Oct, 2008 at 11:43:07pm
On 4th Oct, 2008 Carl said:
you can do it with a normal 5 pin relay and using the oil pressure light feed. think metty turbos do it this way. this is the way i used to do it but i never quite perfected it and the oil light used to glow very dimmly when engine was running i was sure it just needed a diode or summot. when i had me last a series i simply just had a switch and inertia switch. altho its embarrassing when you forget to turn it on. lol Switch i think is really cool. but thats prob my auldskool toggle switchy nostalgia!! This has always been my wiring idea. ive never probs with lights on and that, however i did always have that doubt in my mind. i usually run stuff on teir own. so if its dodgy guage or whatever, its stand alone, and easy to identify just my auld thoughts regards colin Edited by 1972-ANGUS on 4th Oct, 2008. |
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