Common rail fuel pressure sensor - Page 2

Hogwarzt · 29th June 2022, 15:10

Hi All,

So yesterday I took round Roverrons commons cdti engine faults pdf along with a spare stc4649A HP valve stop injection pump '' rimmers' that I had. LOL

So, I popped in this lunch time expecting to be fobbed off, but they had gone through all the checks listed and found nothing. Leak back tests etc all okay. Had the fuel pump out under the seat, all okay etc.
Then they changed the spare I had from previous. Car started and they couldn't get it to fail again.

No confidence yet. Let’s see if it gets me home!!

I have the old valve and can see that both rings have bits missing!!

They also haven’t taken any monies yet. Told me to drive round a few days and if all okay come back and pay £80.

kind regards
Rich

trikey · 29th June 2022, 15:12

If the seals have gone on the old valve there is your issue.

Sent from my SM-G780G using Tapatalk

Hogwarzt · 4th July 2022, 10:28

This is the second time this has happened ~80k apart.
regards
Rich
Thanks for all the replies

Arctic · 4th July 2022, 11:06

Quote:

Originally Posted by Hogwarzt

This is the second time this has happened ~80k apart.
regards
Rich
Thanks for all the replies

Hi Richard.
The twice that you have had the regulator O-rings fail, have you replace them with new O-rings or just swapped out the regulator with another from another car?

Also do you have a synergy fitted to your car.

Please take note of the large O-ring on the regulator, as most do not have them when removed i think they get ingested by the HPFP ? could be wrong, but i know i always make sure if i change out the O-rings that all three rings are fitted.

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https://www.ebay.co.uk/itm/333148956495

Hogwarzt · 4th July 2022, 13:11

Yeah, i do have synergy fitted. Always been there from day one and ive owned the car for may be 15 years ..

It was an amost new one but dont know about th o ring as I didnt fit it.

I'm guessing he fitted it but maybe I need to make sure.

Arctic · 4th July 2022, 16:26

Quote:

Originally Posted by Hogwarzt

Quote:

Yeah, i do have synergy fitted. Always been there from day one and ive owned the car for may be 15 years ..

It was an amost new one but dont know about th o ring as I didnt fit it.

I'm guessing he fitted it but maybe I need to make sure.

The synergy damages the HPFP and it's regulator so maybe that's why you have had two fitted in the past, 80k apart.

Personally i would remove the synergy and have the car upgraded with a 160 contact BigRuss he will be able to do an upgrade for you.

29th June 2022, 15:10	#11
Hogwarzt Gets stuck in MG ZT CDTI 170BHP, PUG CC 180 Sport Join Date: Feb 2011 Location: Leeds Posts: 659 Thanks: 4 Thanked 18 Times in 14 Posts	Car Running Again!! Hi All, So yesterday I took round Roverrons commons cdti engine faults pdf along with a spare stc4649A HP valve stop injection pump '' rimmers' that I had. LOL So, I popped in this lunch time expecting to be fobbed off, but they had gone through all the checks listed and found nothing. Leak back tests etc all okay. Had the fuel pump out under the seat, all okay etc. Then they changed the spare I had from previous. Car started and they couldn't get it to fail again. No confidence yet. Let’s see if it gets me home!! I have the old valve and can see that both rings have bits missing!! They also haven’t taken any monies yet. Told me to drive round a few days and if all okay come back and pay £80. kind regards Rich

29th June 2022, 15:12	#12
trikey Premium Trader Rover 75 Join Date: Nov 2010 Location: Devon Posts: 33,764 Thanks: 8,837 Thanked 14,831 Times in 8,030 Posts	If the seals have gone on the old valve there is your issue. Sent from my SM-G780G using Tapatalk __________________ Lest we forget..

4th July 2022, 10:28	#13
Hogwarzt Gets stuck in MG ZT CDTI 170BHP, PUG CC 180 Sport Join Date: Feb 2011 Location: Leeds Posts: 659 Thanks: 4 Thanked 18 Times in 14 Posts	Picture Of Failed Seal This is the second time this has happened ~80k apart. regards Rich Thanks for all the replies

4th July 2022, 13:11	#15
Hogwarzt Gets stuck in MG ZT CDTI 170BHP, PUG CC 180 Sport Join Date: Feb 2011 Location: Leeds Posts: 659 Thanks: 4 Thanked 18 Times in 14 Posts	Yeah, i do have synergy fitted. Always been there from day one and ive owned the car for may be 15 years .. It was an amost new one but dont know about th o ring as I didnt fit it. I'm guessing he fitted it but maybe I need to make sure.