Reply With QuoteCould the fuel filter be overdue for replacement?
Fossicker
I recently had a new short motor installed into our 2005 Discovery 3 TDV6 as per http://www.aulro.com/afvb/d3-d4-rrs/...ml#post1711195 .
The problem now is that on test driving, the vehicle will get to around 95 to 100k with the foot planted but then dies and goes into limp mode. the error codes that are coming up are P0088 (Fuel rail/system pressure – too high) and P2290 (Injector control pressure too low). these codes to me appear to be a contradiction of each other but I'm by no means a mechanic.
A couple of things I should probably point out that may or may not assist with the diagnosis are:
1) The old motor was overheated (the reason for the new motor).
2) Replacement motor was a short motor i.e. we used the old fuel pump and injectors.
3) Prior to overheating the old motor the vehicle would often go into limp mode while towing the van up a steep long grade. after researching this forum it appears to be, from what I can tell, a relatively common problem resulting from temperamental computer communication with the gearbox. Note: this problem would also occur when planting the foot in soft sand for extended periods.
4) An EGR blanking plug was installed.
With that being said..none of the codes mentioned above have occurred until now.
Cheers
Steve
Swaggie
Could the fuel filter be overdue for replacement?
MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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Fossicker
Thanks Graeme, I had the fuel filter replaced around 4,000k ago hoping to solve the issue related to the limp mode on hills under load (didn't solve it). So it's probably unlikely to be the problem. As a side note, while I was with the mechanic today he had removed the fuel filter looking for brass that may indicated fuel pump damage resulting from the overheating but as far as I'm aware he didn't find any.Originally Posted by Graeme
ChatterBox
High pressure fuel pump?
Fossicker
This is where my mechanical naivety will be displayed. I was assuming that there was only the one fuel pump. When you say "high pressure fuel pump" are you distinguishing that from what I call "the" fuel pump?
I did a little research on your suggestion and came across this post by jonesy63 http://www.aulro.com/afvb/d3-d4-rrs/...ml#post1615639 then found a recall for the same problem in the UK here http://www.warrantyguide.co.uk/vehic...-tdv6-and-rang . Are these recalls world wide? i.e. would there have been an Australian recall also?
Cheers
Steve
Edit: The above links may not be related to my vehicle. The UK recall refers to Vehicles built from 1/1/2006 to 30/6/2009, mine is a MY05.
ChatterBox
First filter/strainer in the tank could be gummed up?
Fossicker
Thanks Caver
I can understand how this would possibly cause a problem with the injector control pressure being too low but would it also create the problem with the fuel rail/system pressure being too high?
Cheers, Steve
ForumSage
There is an electric pump in the tank which supplies fuel to the belt driven mechanical pump on the back of the engine.
Fossicker
I hadn't even considered the fuel tank pump as a possibility as all the recent work had been done at the engine.
My mechanic informed me this morning that the car won't even start now. It appears that the high pressure fuel pump had been drawing from the tank without the assistance of the electric tank pump but after bleeding the fuel line while checking filters etc the high pressure pump is now unable to draw the fuel from the tank.
I'm guessing it's possible that the high pressure pump working overtime to draw and supply fuel could cause a fluctuation resulting in my current problem?
ChatterBox
It would be a cheaper fix than the HP pump.
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