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Author Topic: dti vp44 PSG5 fuel pump differences  (Read 6005 times)

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dtiestate

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dti vp44 PSG5 fuel pump differences
« on: 29 March 2022, 16:21:58 »
Hi, I have an omega 2.2 dti with a knackered fuel pump. I cannot find a used working fuel pump out of an Omega anywhere, the only ones I can find are from a vectra 2.0 dti and zafira 2.0 dti I cam anyone help me understand what the diffrrences are between the pumps and if they'd fit an omega? Many thanks
 
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Doctor Gollum

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Re: dti vp44 PSG5 fuel pump differences
« Reply #1 on: 29 March 2022, 16:51:07 »
I would have thought they are the same as excess fuel gets returned to the tank. The Vectra and Astra/Zafira was also sold with the 2.2 diesel iirc.
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STEMO

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Re: dti vp44 PSG5 fuel pump differences
« Reply #2 on: 29 March 2022, 17:07:49 »
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VXL V6

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Re: dti vp44 PSG5 fuel pump differences
« Reply #3 on: 29 March 2022, 19:35:41 »
Think the issue you'll have is the coding on the EDC.

What has actually failed? The Pump or the EDC?
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STEMO

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Re: dti vp44 PSG5 fuel pump differences
« Reply #4 on: 29 March 2022, 19:39:41 »
Quote from: VXL V6 on 29 March 2022, 19:35:41
Think the issue you'll have is the coding on the EDC.

What has actually failed? The Pump or the EDC?
Yeah, like wot it sez in my brilliant link. :P :P :P
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VXL V6

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Re: dti vp44 PSG5 fuel pump differences
« Reply #5 on: 29 March 2022, 20:34:08 »
Quote from: STEMO on 29 March 2022, 19:39:41
Quote from: VXL V6 on 29 March 2022, 19:35:41
Think the issue you'll have is the coding on the EDC.

What has actually failed? The Pump or the EDC?
Yeah, like wot it sez in my brilliant link. :P :P :P
I've only just looked at that!  ;D

There are two failures - the EDC or the Pump but splitting them apart is a delicate operation and will require two cables to be cut then re-joined between the EDC and the donor pump, so simply getting a pump from a different vehicle isn't going to work without swapping the EDC and the EDC may well be the actual problem. Despite that article saying the pumps are reliable I wouldn't put money on that statement now due to the age of them. The EDC's are coded to their installation so a pump from a Y20DTH or Y22DTR isn't going to work on a Y22DTH engine.
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dtiestate

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Re: dti vp44 PSG5 fuel pump differences
« Reply #6 on: 29 March 2022, 22:02:10 »
I've lost count the amount of times I've replaced fuel pumps on this car, fair enough they have been second hand ones, even with a lift pump fitted still don't seem to last long. I appreciate the input but the question still hasnt beem answered, do the pump numbers correlate to any differences in the pump that anyone knows of? just put a replacement pump in met with a p1651 fml
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Doctor Gollum

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Re: dti vp44 PSG5 fuel pump differences
« Reply #7 on: 30 March 2022, 02:56:46 »
Probably why the car it came from was scrapped.

I suspect that you either need to find a brand new pump or another solution.

Can one of the replacement pumps be repaired if it is electrically failed :-\
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dtiestate

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Re: dti vp44 PSG5 fuel pump differences
« Reply #8 on: 31 March 2022, 16:29:53 »
A new pump is out of the question given the prices, nothing is available for a reasonable price. I've had the mosfet repaired but that repair does not seem to last long, it appears there is also a physical problem with the pump that causes the mosfet to burn out. I'm having a last ditch attempt to repair it otherwise its going to the graveyard unfortunately, its a very useful car when working :(
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Re: dti vp44 PSG5 fuel pump differences
« Reply #9 on: 31 March 2022, 16:57:31 »
The electronics are cooled by the fuel within the pump.

Extended cranking and running low on fuel cause the gubbins to overheat.

A new pump might be expensive on the face of it, but have you seen the price of cars lately? And I will wager that a new pump adds up to less than you have spent on used ones :-X
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