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MartinK

Member Since: 02 Mar 2011
Location: Silverdale (Lancashire/Cumbria Border)
Posts: 2665

2011 Defender 110 Puma 2.4 USW Orkney Grey

Defender Fuel Rail Pressure Sensor 2.4 TDCI

Chaps

I've had a seemingly regular problem of my 2011 2.4TDCI Puma losing power and erratic stalling. Already replaced VCV, cleaned MAF and MAP, checked battery earthing, under drivers seat fuses/relays etc. New filters. No error codes on OBD reader...

So I have decided to change the Fuel Rail Pressure Sensor

This looks the right one (DENSO 55PP05-01):

https://www.ebay.co.uk/itm/253437860242?ha...SwUOBdDiKI

Before I order...could anyone confirm please?

Cheers Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)

29th Sep 2021 6:44pm

llessur

Member Since: 15 Nov 2011
Location: Hereford
Posts: 151

I had similar symptoms - really frustrating !
In the end, as it is the wifes daily driver Defender, and it has done 89k miles, I wanted the problem to go away, so I fitted VCV, the sensor (same as your part number) , and the pressure relief valve - DENSO PART NUMBER : 095420-0260 CROSS REFERENCE NO: 6C1Q-9H321-AB. Please note though that you will need to put some thread sealant for the pressure relief valve. I used some diesel resistant ptfe tape on the threads I had from an earlier central heating boiler (oil) repair, which did the job, but it looks like Land Rover use a fuel resistant thread sealant. Not sure which part cured it but been fine for the last few thousand miles.

29th Sep 2021 7:09pm

MartinK

Member Since: 02 Mar 2011
Location: Silverdale (Lancashire/Cumbria Border)
Posts: 2665

Thanks for the info llessur

I have ordered the part, and also the thread sealant.

I'm assuming I'll need to re- prime the fuel circuit and bleed all the air out after changing the fuel rail sensor.

Fingers crossed. This has been going on a while now, and I'm really hoping to get my confidence back! It played-up in the M6 roadworks the other day, was terrifying surrounded by the lorries with nowhere to go (no hard shoulder). Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)

30th Sep 2021 4:33am

Swim_Cap

Member Since: 13 Oct 2019
Location: Cumbria
Posts: 17

2009 Defender 90 Puma 2.4 HT Zermatt Silver

Hiya MartinK,

I know this an old post but did this solve your issue as I have the same symptoms and looking to replace the HPS - did you have to run any learn cycles with software or was it just plug and play?

Thanks

Matt

25th May 2023 11:07am

MartinK

Member Since: 02 Mar 2011
Location: Silverdale (Lancashire/Cumbria Border)
Posts: 2665

Hi Matt.

No...in the end it was a succession of knackered VCV's... https://www.defender2.net/forum/topic85644.html?highlight=vcv Defender "Puma" 2.4 110 County Utility (possibly the last of the 2.4's)

25th May 2023 2:58pm

Swim_Cap

Member Since: 13 Oct 2019
Location: Cumbria
Posts: 17

Thank you, how frustrating

I've change my VCV a few months ago and all seems fine (plus a VCV learn) - hope the FPS works now

26th May 2023 9:18am

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