Thread: How many faults?

Originally Posted by LR3 Disco Owner

Engine control module
P0087-00 Fuel rail system pressure - too low

Start here. A pile of those faults listed will cascade off this one.

Yeah I wondered if the fuel pump issues I'd read about might be the culprit, I'll ask the mechanic on Monday to check it.

That fault has a bad history of being a failed high pressure fuel pump. I wouldn't touch an injector till the rail pressure was sorted. It may be an injector but without the supply pressure. You'll never know

Sad to say it but you will be needing to address the HPFP first. most if not all of those faults would appear on mine when i was having issues with the fuel pump.
When mine started to play up i was driving to Darwin from Adelaide, sometimes i could do 500ks without it faulting then would fault 5 times in 20ks.

Made for a very stressful drive. Since i didnt want issues and was keeping the car i replaced both high and low pressure pumps. Never seen a series of faults like that again.

As for cost, i guess if you have time you could investigate getting a replacement pump from the UK , as i needed the car i got 1 out of Perth

Bulletman

You really need to find someone who specialises in Land Rovers. Indy’s that specialise in European vehicles tend to have a background in the German manufacturers but have code readers that read all European cars without an understanding on how to interpret the Land Rover faults.

The only real fault listed with the engine (the fuel pressure fault) is the one that needs to be sorted first. In order of priority you initially ignore U (Comms) coded faults, and start with P (Power Train) before looking at B (Body) or C (Chassis).

You also need a code reader that reads the 4th element of the code to determine if it is a confirmed fault (in this case it would be a confirmed fault driven by a pressure sensor).

Anyway this is from the LR Manual:

Most probably not as bad as it looks. I have found that disconnecting the battery can throw a whole range of “lost communication faults”. I have had a number of faults in your list over the years. But had no symptoms. The only reason I knew about them is that I regularly plug in the GAP tool. If I didn’t have that I would not have know. You have a problem but not as bad as it looks from the number of faults. When I quizzed the mechanic about the faults he said “if your diagnostic tool reads zero faults it’s not a Land Rover”.

Originally Posted by SeanC

Most probably not as bad as it looks. I have found that disconnecting the battery can throw a whole range of “lost communication faults”. I have had a number of faults in your list over the years. But had no symptoms. The only reason I knew about them is that I regularly plug in the GAP tool. If I didn’t have that I would not have know. You have a problem but not as bad as it looks from the number of faults. When I quizzed the mechanic about the faults he said “if your diagnostic tool reads zero faults it’s not a Land Rover”.

But.. did you have the P0087 low fuel pressure fault ? this is in my eyes, and first hand experience the big one. the rest seem to come as the car faults once it goes into limp mode from the low fuel pressure.

Bulletman

Originally Posted by Bulletman

But.. did you have the P0087 low fuel pressure fault ? this is in my eyes, and first hand experience the big one. the rest seem to come as the car faults once it goes into limp mode from the low fuel pressure.

Bulletman

Should have clarified that that is one fault I haven’t had. As you said that is the one to concentrate on. Just saying all those faults don’t equate to that many actual problems that need rectifying. I remember when I got my GAP tool and read the faults for the first time, it was a bit disconcerting to say the least.