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stumanuk42

Member Since: 04 Jan 2012
Location: Suffolk
Posts: 8

2007 Defender 110 Puma 2.4 XS CSW Stornoway Grey

Limp home

My engine management light came on and the car went into limp home this evening. however during the day, it lost all power (whilst doing 70 on the a12) pulled over, turned it off and on and was alright after that, now this. its oil is OK, the coolants a little low (about 2cm beneath the line when its cooled down).

Any ideas what it might be? be nice to have an idea what the damage is going to be before i get someone too look at it.

4th May 2012 7:44pm

Reiver

Member Since: 04 Dec 2011
Location: Cumbria
Posts: 48

Could be a pre failure warning for the turbo, especially if you've had a re-map - not that I'm suggesting that would have been the case in my experience long in the past

It could also be because above all, it's a Land Rover

This is border country and the Romans built a wall for a reason!

4th May 2012 7:50pm

stumanuk42

Member Since: 04 Jan 2012
Location: Suffolk
Posts: 8

it hasn't been remapped but i do about 24000 miles a year and half of them are dual carriage way, is there any way to see if it is that?

4th May 2012 7:54pm

Reiver

Member Since: 04 Dec 2011
Location: Cumbria
Posts: 48

Nothing stressful about your mileage, marra. I think the elctronic brian is trying to tell you that some chip monitored thingamy isn't performing within the expected performance parameters. Early warning normally which needs checking soonest.

Stop me if I'm being too technical

This is border country and the Romans built a wall for a reason!

4th May 2012 8:02pm

cradgebank

Member Since: 30 Dec 2008
Location: Nottingham
Posts: 308

2008 Defender 110 Puma 2.4 XS CSW Stornoway Grey

It could be anything from a fuel problem to a faulty sensor, best thing get someone with a fault code reader to look at what faults have been logged and then take it from there. Richard

Either a 90, 110 or 130.
Discovery 5

5th May 2012 3:54am

Lorryman100

Member Since: 01 Oct 2010
Location: Here
Posts: 2686

Chances are the MIL will go out after 3 ignition cycles unless the DTC continually fails the testing phase. You will need a diagnostic tool to read the stored tested DTC to narrow down the cause of the problem.
The engine will go into limp mode if it is overheating as a safeguard, but the fact that there is coolant in the expansion tank makes this unlikely unless the CHT sensor has failed or there is a blockage/issue with the cooling system? Did the temp gauge rise into the red? Other causes are failing MAF, MAP or the High Pressure rail control valve which can stick and cause high rail pressure, which relieves the rail pressure and trips limp mode. Reseting the ignition cycle will reset the limp mode and he MIL will go out after 3 ignition cycles though a tested DTC will be stored in the EMS.

Brian.

5th May 2012 11:45pm

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