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Old 17 May 2006, 04:08   #1
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Question for Landy Buffs, intermittant rough running

i have a td5 es and every now and then it will run rough and sounds like it is running on 4 or 3 cyls. other times it will be ok

has anyone got any ideas on this?
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Old 17 May 2006, 04:26   #2
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Hi
I had a problem like that on 99 disco td5. It was the tube to the turbo (approx 3" dia) delaminating inside and blocking the airflow.

I had nothing but trouble with the thing and wouldnt touch another!!

New engine & turbo @ 47K miles with full LRSH !!!
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Old 17 May 2006, 06:51   #3
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it runs rough at idle and that is when it is most noticible, sometimes ok then sometimes running rough. hopefully cod has the answer on this
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Old 17 May 2006, 07:23   #4
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Ours (TD5 XS) had something similar when it was about 6 months old - it was also the turbo tube - I assume delaminating, but the dealer was quite cagey about why it was misbehaving.

It wasn't really that noticeable at idle - but under load/speed it would sometimes falter, or miss - on the motorway it felt like we were going through deep puddles when we weren't.

It was replaced, and it's been fine since.

D...
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Old 17 May 2006, 07:58   #5
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ours is most noticable at idle as it will sometimes rock the car
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Old 17 May 2006, 10:26   #6
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Could be blocked injectors - try a load of diesel cleaning stuff.
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Old 17 May 2006, 11:01   #7
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OK I'm no Landy buff, but isn't that (diesel cleaning stuff) bad practise for a modern diesel engine? Aren't injectors supposed to be self cleaning? And isn't the first sign of dirty or blocked injectors black exhaust smoke?

As a modern diesel like the Land Rover Storm engine is electronically controlled, perhaps there's the possibility this is an intermittent electrical problem?
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Old 17 May 2006, 11:08   #8
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Chris, I would take it to the dealer or a Landrover specialist, particularly as you may be relying on it to tow your RIB on holiday, would be a nightmare if the turbo went or something whilst towing up the hills in Cornwall. -they are slow enough as it is! Maybe something simple but probably worth getting it checked over.
I have no idea about the diesel treatment, although I have seen them being poured into all manner of cars both new an old at the petrol station after being filled up. Although, im sure I have read as Richard rightly says some injectors don't like it, give a dealer or preferably a LR specialist a ring.
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Old 17 May 2006, 11:22   #9
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Quote:
Originally Posted by Richard B
OK I'm no Landy buff, but isn't that (diesel cleaning stuff) bad practise for a modern diesel engine? Aren't injectors supposed to be self cleaning? And isn't the first sign of dirty or blocked injectors black exhaust smoke?

As a modern diesel like the Land Rover Storm engine is electronically controlled, perhaps there's the possibility this is an intermittent electrical problem?
If fuel can pass through an injector so can the cleaning stuff - it is probably only kerosene anyway!!!

Yes it could well be an electrical problem but a fiver and 2 mins work HAS to be worth trying!!!
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Old 17 May 2006, 12:04   #10
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Just remembered - there was a problem with oil getting into the ECU down the loom on certain years.

A bit of Googling refreshed the memory!!!

"Check the red plug on the ECU, if it is full of oil then you have the problem - clearing the oil out of the ECU connector and the plug should cure it short term, but the more permanent fix is a modified harness from Land Rover - however you may be able to seal the harness at both ends with silicon sealant or similar to stop oil getting in and coming out.
The injector harness appears on the engine at the left hand side of the front of the rocker cover (looking into the engine bay from the front of the vehicle)."
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