My Land Rover Range Sport 2007 year
2.7td V6 140kw
it throws me error P0087
but in normal driving it goes over 600km without a single error, when I load it I make the gas to the floor it immediately reports error P0087,
I put a new pump in the tank, a new high pressure fuel pump, a new Rail sensor, still the same error

https://files.fm/f/bduqc6cq6

Last edited by Markon1986 on Sun Mar 05 2023 3:13pm. Edited 2 times in total

https://files.fm/f/bduqc6cq6

Markon1986 wrote:

My Land Rover Range Sport 2007 year
2.7td V6 140kw
it throws me error P0087
but in normal driving it goes over 600km without a single error, when I load it I make the gas to the floor it immediately reports error P0087,
I put a new pump in the tank, a new high pressure fuel pump, a new Rail sensor, still the same error

https://files.fm/f/bduqc6cq6

Chased this fault for over a year turned out to be faulty new hpfp from euro car parts replacment pump finally sorted it.
Where did the pump come from they fitted ??

Hi “ Lrstaylor “

Well after the dealer replaced the already new high pressure pump which I got from a Land Rover specialist, they had put in there own new guanine Land Rover pump and the car only lasted a 30 miles test drive before going back in limp mode they where about to changed the pump again for a third one but decided it can’t be the pump as the two new pumps where both showing the same low reading and couldn’t both be fault , or so I hope

Yeah that's what we thought the car came to us with a new pump fitted some months later we replaced the pump for a euro car parts new pump still had p0087 but only in colder months come the summer it ran faultless.
After a year of messing about swopped out the pump again problem cured. The pump we removed was leaking from the rear shaft.

Many places are fitting recon pump instead of new good luck

Well unfortunately we have been chasing this fault for 3 years now
All started after the original high pressure pump failed so we changed it are selfs car then started again but ever since has had this fault , it was at a local garage for 2 months they couldn’t fix it then it went to a Land Rover specialist they had it for 7 months! They also couldn’t fix it after changing lot of parts including the intank pump , then eventually took it to are local Land Rover dealer which changed the high pressure pump again then the intank pump again and lots of other stuff,
But now they are going to try run new wires to the high pressures fuel pump from the ecu to bypass the original wiring “ even tho the wiring is testing fine they have seen before that if two damaged wires touch together they correct a good reading but lose the communication “ or so the master technician told me a few months ago ?

I have also told them to investigate the fact that when you turn the ignition on and look at the fuel rail pressure on live data with my gap tool the rail pressure is 1000kpa compared to are other car a D3 it’s only 350kpa with ignition on and runs fault less , the master technician said of the top of his head that 1000 kpa was too high he thinks ?

Which is strange if it is to think that even tho the sensor is also new and had its wiring tested it’s still reading too high on ignition but always reading too low when the cars running.
When first stated it’s 28,000 kpa perfect reading but after a few minutes drops to only 23,000 kpa at idle !
very very strange car !

Hi James,

Do you have any further update on your issue?
Mine triggers the P0087-00 when the engine is hot after a few hours, when I'm on cruise control or slowly accelerate. When I push it hard on the accelerator, above 2500revs, the error doesn't get triggered.

It already has new:
- Injectors
- high pressure fuel pump
- low pressure fuel pump
- diesel cooler (above the chassis, not in the V of the engine)
- diesel filter house
- diesel filter
- diesel temp sensor at the engine

Going to mount a new rail pressure sensor.
Tried to order 2 from different suppliers, 1 read 940bar, the other one 300bar, without the engine started.

Original one fluctuates from 231-258bar idle.

Mounted an old one I've found (ran on another car for 315k km), good readout value above 275-290bar when idling, until testdrove for 3h and P0087-00 was triggered again.

Will soon mount another new rail pressure sensor this time, wondering if we should replace the wires as well.

Didn't touch the PCM yet.

Thank you in advance for your reply.

Kind regards,

Wim

Hi wim

Yes ! I did finally get to the bottom of it , i did post the outcome on other threads but to be honest i posted on so mean topics i couldn't find them all

So I’ll try and cut a very very long story short for you I finally got my car back in the end of October 24 , minding that it went back to the dealer in January. They ended up spending almost 100 hours on the vehicle trying to find it but in the end it was the THIRD high pressure fuel pump that cured it all where genuine Land Rover pumps too but just faulty out the box and the only way they found out was that pump number two just suddenly failed on them whilst on a test drive when the car just cut out and wouldn't restart so they took the body of the chassis to change the pump and to clean all the fuel lines and clean out the tank just to make sure nothing was killing all the pumps but they couldn't find any contaminants and luckily for me the pump was changed under parts warranty and considering they spent 100 hours with there normal hourly rate at £220 i would of had a bill of 22,000 thounds just in labour but i was left with a 3000k bill including mot work since it lay so long.

Yeah mine did it hot or cold when ever your accelerating over 2,500 rpm for more than 5 seconds every time or well most the time some times it would make the technicians think they had fixed it only to go in limp mode on the way back for no reason.

Yeah the dealer replaced pretty much ever single part of the fuel system them they started taking parts off a know good car that someone had abandoned. At one point the master technician was very confident that the “ non return valve “ that plastic cover on the top of the fuel tank costs 98 pounds was leaking fuel back too the tank causing the engine to be starved to fuel if i mind correctly.

But since yours is rather random it takes things harder , well saying that mine had the fault the hole time they could even see the idling pressure and on the gauge was always too low and they couldn't find it.

But do try the rail sensor cause i did replace mine with a cheap one made no difference so fitted the old one back then the dealer replaced it with one off that other car made the car happy one drive then the second test drive it cut out , so they recovered it back swapped the sensors back still wouldn't start them found the pump wasn't building pressure so they like I said did all the work got the car all back together and the workshop control manager and a driver took it out and the car was worse than ever they got less then 3 miles before a really bad limp mode and it was surging and really struggling, they where straight on the phone so upset with the car and said we’re taking one more look at it then thats it we’ve had enough. I did feel bad for the manager cause his manager was pressurising him to get ride of it but the technician wouldn't let it bet him then they found it was them throughing up fuel rail sensor codes so put the other sensor back in and then they phoned so happy saying the car was running and driving mint the manager and the driver where doing “ over 85mph ‘ with them saying its got the most power its ever had them with 8 more test dives i got the car back after almost 15 months with them , so as some point the fuel rail sensor was also bad but they couldn't see it cause it was probably hiding behind the pump fault.

God it was just a roller coaster with ohh its fix too ohh its worse then ever to oh think its good now

Ill keep having a think about what else they tried

Hope this helps so far
Kind regards
James 2017-Discovery 5 TDV6 HSE
2007-Range Rover sport “ endless money pit “
2005-Discovery 3

Hi James,

Thank you very much for your detailed reply. Very much appreciated!
I understand there might have been multiple issues at once. And the last bit was the rail pressure sensor, after many troubleshoot actions.

Since there are many parts swapped on mine as well, I'll keep my fingers crossed. The last part is (hopefully) a good rail pressure sensor.
I'm still afraid of a wiring issue. Let's see what it does with a new sensor first. (hopefully with correct values)

Thanks once again.

Kind regards,

Wim

Hi sorry for the late reply

You’re very welcome sorry it was a bit of a jumble of bits across a 15 month period.
Yeah by the end there was multiple faults but at the start it would have just been a faulty HP pumps.

Yeah they keep telling me it’s just a process of elimination , but that very quickly gets expensive and I’ve never had any luck with aftermarket parts , over my 10 years owning this car ever single aftermarket part I’ve fitted failed a year or two in resulting in me just having too buy genuine or OEM , mite be worth getting the wiring tested if the sensor doesn't make any difference but it should do dose sound like the last thing that needs changing.

I did read an interesting thread where a faulty alternator was overcharging and ended up damaging the ECU causeing limp mode randomly but throwing up low pressure codes took the guy a hole year to get sorted after it being to two Land Rover dealers and a specialist then the four person found it.
That’s one of the reasons I changed mine after sending it off for testing then they said it was something they wouldn't test , which I found very strange cause I had my alternator fail round about the same time at the fuel issue. 2017-Discovery 5 TDV6 HSE
2007-Range Rover sport “ endless money pit “
2005-Discovery 3

Hi James,

No problem. I was going to post an update when there is more info.

I'm still waiting on the geniune part. (rail with sensor from LR)


My alternator also died somewhere in the past few yaers, while having the issue already!
Another alternator (faulty one was fitted and died. Garage first didn't admit the alternator was misbehaving, until it failed shortly afterwards) was fitted and moslty charge 14V. It's not a Denso. Should be Denso according to LR. Seems like it's behaving for a longer time now.
My issue is only present when the engine is hot and throttle stable on low revs. Or requesting power on low revs..

Will keep you posted once there is more info available.

Kind regards,

Wim