ENGINE SYSTEMS FAULT......HELP

[Disco4SE]

Hi all,
I know that I have read about this in a thread somewhere, but cant seem to find it.
I was travelling along the Hume freeway today in the D4 3.0Lt with 2.2 ton boat in tow, sitting on 120Kph on cruise control, when I started to lose speed & power.
A warning light came up on the dash along with a 'Warning Engine System Fault'.
I pulled over on the side of the road, switched it off, then got going again. I now had power back, but not full power.
Another thing I noticed was that instead of averaging 12.2Lt per 100 Klm's, it had dropped to 13.0Lt per 100Klm, within the next 100Klm's.
I spoke with ULR Melbourne and they advised me to pull over, turn engine off, lock doors, wait for a minute, then drive again.
I did this several times to no avail. The warning is still on and I havent got my power back as yet.
BTW: I have just had a full service inc transmission.

Would appreciate any help.
Cheers, Craig

[sniegy]

Craig,
Check your intercooler hose, it may be split.
We have seen a few of these over the last 3-4weeks
Its not a batch of vehicle just all D3's & D4's with no reason or rhyme.
Cheers

[Disco4SE]

Thanks Pete. Will have a look
Cheers, Craig

[oldsalt]

If it's the hose .. check out this mob for a replacement.
cheers
Discovery 3 & RangeRover Sport 2.7L TDV6 silicone inlet manifold intercooler hose | Diesel performance tuning and economy remap chip tuning for Landrover Defender Discovery TD5 Puma TDV6 TDV8

they'll probably have one for the D4 3.0 (I hope)

[lrdef110]

Craig had exactly the same thing happen to me. Coming back from the Vic High Country approx 100k's south of Narrabri and warning comes on with Engine Systems Fault. I pulled over, shut it down waited for 10 mins then checked oil levels, water, turbo hose (this happened to my previous D3 but you will know its a turbo hose when it cracks by the black smoke), etc - all was good. Started it agian and it ran like normal so continued to drive (no service agents anywhere out here). The warning did not go away after stopping but unlike yours there was no power loss or any other differences. Continued home to Mackay and then had to go to Townsville for Chrissy so had it booked in today at the dealers. It showed a fault code for the date & time of the warning signal but they could not find anything wrong and the fault did not reoccur after being deleted. There are a few causes for this warning including faulty injectors, fuel system etc. Drove 400k's home this afternoon and all is still well and no reoccurence of the fault. I will be interested in what transpires with yours.

[gghaggis]

Best not to use CC when towing - it can cause the exhaust gas temps to exceed their safety margin, causing the car to temporarily shut down power and set the engine warning light. The light will stay on until reset by diagnostics.

Cheers Gordon (sent from mobile)

[Graeme]

I'm expecting a 2nd turbo issue of some description.

[Disco4SE]

Took my D4 into Blackfords in Albury this morning. They looked at it and went for a test drive straight away.
All hoses good, turbo's good.............it was an Engine Sofware Upgrade that was required. They mentioned that they have had quite a few 3.0Lt in lately with the same problem.......most towing loads on cruise control at high speed.
I can't praise Blackfords enough. They attended to my vehicle straight away, were extremely friendly and gave me a stubby holder.

I am pretty peed off with my dealer because of the fact that I had the full service not even two weeks ago and no mention of the upgrade (they knew I was towing my boat on a trip).

BTW: The main mechanic at Blackfords stated that it was OK to tow with Cruise Control on, but keep the gear lever in Sports mode.
I would be interested to know what others think of this?????


Now Relieved,
Craig

[Tombie]

I would believe that...

Sports mode makes the Trans more responsive / reactive.

EGTs in a std vehicle shouldn't be high cruise or otherwise.


"Where the Desert meets the Sea"
'Did I mention some great 4WDriving is just 5 minutes from home?'

[discojools]

Craig,
Did they do the software upgrade? If so is it all good now.?. As far as running cc in sport mode I am pretty sure that it is disabled when you select cruise control so maybe no point. It certainly appears to be in my 2.7.

Hope all is well now

Jools