Transit P1211/PO251

[Colyer motorsport]

Going to change all return pipes as they are not in good way and fit the imv went it turns up today. Van doing my head in now lol. Thanks for the reply’s from people

[Colyer motorsport]

Would dead imv stop the van from starting ?

[wojciech]

Would dead imv stop the van from starting ?

It can be - why not, but first check fuel pressure during start (during start motor work). It should be 350 bar +/- 50 bar. If pressure is outside the tolerance range, start is impossible.
In this case we can have a suspected for air in fuel system or broken IMV valve.
In workshop they have usually extra IMV valve and they can try second one - is it reason of troubles. But if you buy new one and do the same - it is too big risk because of costs.

[Colyer motorsport]

Would dead imv stop the van from starting ?

It can be - why not, but first check fuel pressure during start (during start motor work). It should be 350 bar +/- 50 bar. If pressure is outside the tolerance range, start is impossible.
In this case we can have a suspected for air in fuel system or broken IMV valve.
In workshop they have usually extra IMV valve and they can try second one - is it reason of troubles. But if you buy new one and do the same - it is too big risk because of costs.

Thanks for the reply I have new imv just turn up I am going to bleed the fuel system and try new imv

[Colyer motorsport]

Replace all the return pipes from injectors with new put clean diesel in filter and then she start up like dream still giving me the imv code on scan so going to replace that now and hope it sorts everything

[ned]

Did you clear all the dtc's (codes)? At least your now getting somewhere

[Colyer motorsport]

Better then I was this morning lol. Yeah all codes was cleared

[Colyer motorsport]

I fitted new imv last night van started up and run on tick over spot on I could only go out on little test drive and was all good I am going to give it good test drive today and see what happens. Do you need to do pilot learn fitting new imv ?

[ned]

No pilot learn on a mk666, well not that I know of anyway, just fit imv, fill van with fuel and drive like a tw@t

The polish wizard wojciech will know best.

[Colyer motorsport]

No pilot learn on a mk666, well not that I know of anyway, just fit imv, fill van with fuel and drive like a tw@t

The polish wizard wojciech will know best.

wojciech Has been messaging me and as been big help. Top bloke

[Colyer motorsport]

Got the van running turn out to be fuel rail pressure sensor running really well now apart from every now and again it will go in to limp mode went your giving it some boot 60 mph plus. Any help ?

[wojciech]

and again it will go in to limp mode went your giving it some boot 60 mph plus. Any help ?

For 99% high pressure pump is broken.

[wojciech]

Pump and injectors have done round 3000 miles they was fitted before I got the van but have receipts.

You have receipts, but you should have papers from pump test. When I did pump regeneration, I got from work-shop four sheets A4 of paper with pump test results (printouts) from BOSCH ESItronic, with pump number, date and time of tests. Before regeneration and after. And it is reliable for me that pump is done ok.

[Colyer motorsport]

Pump and injectors have done round 3000 miles they was fitted before I got the van but have receipts.

You have receipts, but you should have papers from pump test. When I did pump regeneration, I got from work-shop four sheets A4 of paper with pump test results (printouts) from BOSCH ESItronic, with pump number, date and time of tests. Before regeneration and after. And it is reliable for me that pump is done ok.

Hello mate thanks for the reply. The pump was done before I got the van I have the receipt for pump but that’s the only paper work I have. The van starts and drive ok it’s just every now again went your giving it some it drops in to limp mode but turn key and back again and it’s fine. Fitting the fuel rail pressure sensor sorted out what was wrong in 1st place.
So would you say I need get the pump tested ?

[wojciech]

So would you say I need get the pump tested ?

Yes.
Pump should be removed and sent/given to good Delphi work-shop. Using special tool for pump wheel (wheel holder) while pump removing and testing, you wouldn't have to do any work about timing chain.
https://www.ebay.co.uk/itm/FORD-TRANSIT ... 2824986613

I don't know British realities about costs, in Poland full tests and regeneration for Delphi pump costs between 1.500 - 2.500 PLN (300 - 500 GBP)