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- Erich_br
- Member Since: 23 Oct 2026
- Location: Milton Keynes
- Posts: 4
2.0 Diesel Ingenium 2018 - Low Fuel Pressure
Hi,
My name is Erich, and I’m the owner of a 2018 2.0L diesel Disco 5. After just a week with the car, I got stranded on a very busy road between Milton Keynes and Buckingham – not a great start…
While driving at around 60 mph, car suddenly lost power and just coasted until it came to a stop. Once stopped, it wouldn’t start again. Luckily, the police arrived very quickly and towed me to a safe place (the RAC, on the other hand, what a disgraceful experience… Recovery took 5h30…)
I carry an OBD reader on the car (I knew about the car history, and I used to do the same with my Giulia Quadrifoglio, great car but a bit temperamental), I got three codes:
- P0087 – Fuel Rail/System Pressure Too Low (Bank 1)
- P006A – MAP – Mass or Volume Air Flow Correlation
- P0342 – Camshaft Position Sensor A Circuit Low (Bank 1 or Single Sensor)
None of these codes were present before.
On the dashboard, the message “Engine System Fault” was displayed.
I cleared the errors and tried to start the car again, but without success. It just kept cranking (and also displayed EB Not Available). The Fuel Rail and Camshaft errors were back. The MAP error did not return
The fuel rail pressure seemed very low, around 10 bar during cranking. I only have a generic OBD reader, so I can’t see the target pressure, just the measured value.
As the recovery took forever, the battery went completely flat. I put it on the charger today, but I think it might be too far gone (it was a new battery though!).
I only just bought the car from a private seller, I dropped him a message. I wasn’t even asking for money or complaining, just trying to understand what’s going on with the car, as I’m sure something dodgy was going on…
I can hear the “buzz” from the low-pressure fuel pump, but the pitch changes during the few seconds it runs with the ignition on. As the car is new to me, I’m not sure if that’s normal or not.
The car is now sitting on my driveway with a dead battery, and the RAC won’t take it to a garage (apparently you only get one shot with them – which is stupid, where exactly was I supposed to take the car at 11:30 pm on a Saturday?).
As I mentioned, the battery was new, and I also noticed that the panel covering the battery wasn’t properly secured, which makes me wonder if someone has been messing around there often…
Part of me thinks the issue could be electrical (three unrelated faults appearing at once?), but on the other hand, the battery was new and the fuel rail pressure is indeed very low while cranking.
Has anyone experienced similar fuel pressure issues, or perhaps an electrical fault that caused something like this? I’d really appreciate hearing your experiences or suggestions on what to check
The car has 79k miles on it, but it’s on its second engine, replaced at 52k back in 2023.
Thanks! -
- phillh
- Member Since: 15 Sep 2025
- Location: Herts
- Posts: 9
My car is a 3 Litre so I cannot help you, If you don't get any help on here, it might be worth contacting Woodside Garage in Maulden (fairly close to you). I bought my D5 from them, they are LR Specialists and they really know these cars. -
- Erich_br
- Member Since: 23 Oct 2026
- Location: Milton Keynes
- Posts: 4
Well, that did not turn out great..
Long history short: 1 week ownership, 300miles driven, chain has snapped…. Bought the car privately, previous owner basically told me it is not his problem…
I was not expecting a trouble free experience, but ffs, that is painful… Car cranks without any weird noise and mechanic said they normally do not damage piston/liner. Didn’t do a borescope check yet..
Not sure what to do now. Car is lovely to drive, but spend all that money to perhaps need to do it again not so far in the future does not make much sense..
Perhaps sell the car as non runner will be the way to go… -
- Narpy
- Member Since: 30 Apr 2025
- Location: Stockport
- Posts: 183

I think you’ve suffered every motorists nightmare there, you have my greatest sympathy.
Without any recourse there’s not much you can do as there’s nobody to claim against but I’m sure you’ve thought all the options through, including some of the ( cough ) alternatives.🤫
Good luck with it, I hope you get things resolved but please bare in mind, that 2.0l Ingenium engine has a terrible reputation.😡 -
- harrythespider
- Member Since: 19 Jul 2018
- Location: cumbria
- Posts: 442

Selling as non runner, if you're lucky to, the price will be on the floor, there too many other non runners/ spares or repair out there. Even running 2Litre cars are cheap as chips. If its just the chain thats gone it may be best to have it replaced ( and uprated) if the rest of the engine is in good order, the cost is between £1.5 and £3k depending where you go. A full engine flush would probably be a good idea as its oil sludge build up that kills the ingenium engine 2L and 3L alike. The engine should perform as expected then and you could potentially have a vehicle that will survive a lot longer, but only if you srvice/ change oil every 7 thou miles or so and regularly run it enough to clean out the DPF.
Its all down to the maths, which is the most viable option, Good luck
3.0 HSE. climate HUD active diff. elec towbar. FBH and timed climate.Capability plus pack.split TV. surround sound. Intelligent seating. adaptive lights, wade sensing. 360 cameras.pro pack.cooler.advanced tow, auto park,activity key+ more!!!! -
- Erich_br
- Member Since: 23 Oct 2026
- Location: Milton Keynes
- Posts: 4
Narpy wrote:
I think you’ve suffered every motorists nightmare there, you have my greatest sympathy.
Without any recourse there’s not much you can do as there’s nobody to claim against but I’m sure you’ve thought all the options through, including some of the ( cough ) alternatives.🤫
Good luck with it, I hope you get things resolved but please bare in mind, that 2.0l Ingenium engine has a terrible reputation.😡
Thanks! Yeah, that is a hard one to swallow…
Buying from a private seller is really hard - can’t trust anyone.. Not much that can be done by what I see.
I knew about the engine reputation but was still not expecting that! Will buy a Isuzu AT35, reliability wise will be much better
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- Erich_br
- Member Since: 23 Oct 2026
- Location: Milton Keynes
- Posts: 4
harrythespider wrote:
Selling as non runner, if you're lucky to, the price will be on the floor, there too many other non runners/ spares or repair out there. Even running 2Litre cars are cheap as chips. If its just the chain thats gone it may be best to have it replaced ( and uprated) if the rest of the engine is in good order, the cost is between £1.5 and £3k depending where you go. A full engine flush would probably be a good idea as its oil sludge build up that kills the ingenium engine 2L and 3L alike. The engine should perform as expected then and you could potentially have a vehicle that will survive a lot longer, but only if you srvice/ change oil every 7 thou miles or so and regularly run it enough to clean out the DPF.
Its all down to the maths, which is the most viable option, Good luck
It is hard to know how to proceed, Mechanic said that most likely oil pressure was a bit low for a long period of time (camshafts are very worn) and he was concerned that, as the turbo also sits high on the engine, it could fail not too far down the road
Engine was reworked 25k miles ago, If bearing clearance is not correct, it can have some “internal” leakage (between crankshaft and bearing) which will reduce the pressure/flow of oil getting up on the head/chain
Then if turbo fails it can damage GPF and so on.. I think once something is not right, it becomes a spiral…
I am heartbroken because the car is so lovely to drive ( I daily an electric Capri
) but I think I would have 0 confidence on taking it on a long journey..
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