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Howard



Member Since: 06 Nov 2012
Location: Oxfordshire
Posts: 40

United Kingdom 2012 Defender 110 Puma 2.2 PU Alpine White
Limp mode when driving in traffic
We have a problem with our 2.4 (2010) Puma. When driving slowly in traffic the truck will go into limp mode. No engine warning light. Sometimes it clears quickly, other times it can take a few minutes to clear before she runs ok again.

Would a dirty ERG through up this fault ?

I would be grateful for others thoughts on the cause of the problem.
Post #873750 19th Dec 2020 2:34pm
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NL_Defender_90



Member Since: 07 Oct 2020
Location: NL
Posts: 7

Netherlands 2011 Defender 90 Puma 2.4 X-Tech LE Nara Bronze
Mine had the following issue:
When driving into traffic after a long run, so warm engine, it would sometimes become unresponsive on the gas pedal. Car keeps running, but no power or revs (above idle). Quick fix was turn car off, and start again and wait until it happens again.

According the dealer they solved the issue (under 3 months warranty) by replacing the switches for the brake lights in the pedal area.


Edit: also no warning lights or error codes.
Post #873753 19th Dec 2020 3:49pm
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Howard



Member Since: 06 Nov 2012
Location: Oxfordshire
Posts: 40

United Kingdom 2012 Defender 110 Puma 2.2 PU Alpine White
Thank you for your response, all good for a couple of months, but the same problem is back again.
Post #905177 26th May 2021 7:32pm
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Kevlar



Member Since: 28 Oct 2020
Location: Prague
Posts: 78

Czech Republic 2010 Defender 90 Puma 2.4 SW Santorini Black
Try to accurately measure the engine coolant temp when this happens. Mine was doing this but it was related to over heating. At about 112 deg c it would go into limp mode, then when it cooled it would go back to normal.

Kev
Post #905366 27th May 2021 8:02pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
That would be my thought, too. It's a self-preservation measure in the event of overheating. It could be something like a faulty viscous fan, which would lead to overheating in the circumstances that you describe, or even a faulty cylinder head temperature sensor making it think that it's over heating. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #905416 28th May 2021 6:21am
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