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deaallen



Member Since: 15 Feb 2016
Location: Basingstoke
Posts: 267
United Kingdom 2012 Defender 90 Puma 2.2 SW Santorini Black
Limp mode, Fault Code P061B-00 - Possible causes?
So after pulling away from a set of lights (rather aggressively i should add) my truck suddenly went into limp mode.

I got it to a local garage and they found fault code P061B-00, Internal Control Module Torque Calculation Performance, but they couldn't replicate the fault after trying for a few days so gave it back to me.

I'm wondering what I should start looking into, my truck has an alive remap and I've done the air box mod last year so they are the first things I'm considering, but is there anything else obvious I should look at?

Thanks for any help
Post #816174 20th Feb 2020 5:50pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554
Faulty Mass Air Flow (MAF) sensor
There is some foreign matter around air flow sensor
Software incompatibility issue
Faulty Powertrain Control Module (PCM)
Post #816196 20th Feb 2020 7:46pm
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andydef90



Member Since: 09 Feb 2015
Location: yorkshire
Posts: 617
United Kingdom 2014 Defender 90 Puma 2.2 HT Corris Grey
clean your maf sensor bit of brake cleaner will do it try a soft brush kids paint brush is ideal . be gentle though
Post #816250 21st Feb 2020 7:19am
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deaallen



Member Since: 15 Feb 2016
Location: Basingstoke
Posts: 267
United Kingdom 2012 Defender 90 Puma 2.2 SW Santorini Black
I gave both the MAF and MAP a clean back in November and didn't notice any difference at all but both looked like new. I might try changing it out for a completely new unit this time so I can at least rule that out.

Does anyone know if the 2.4 MAF works with the 2.2 or do you need a different model? Shops seem to be advertising that they are the sameunit
Post #816264 21st Feb 2020 8:43am
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deaallen



Member Since: 15 Feb 2016
Location: Basingstoke
Posts: 267
United Kingdom 2012 Defender 90 Puma 2.2 SW Santorini Black
Well I replaced the air filter and MAF and all seems well so far, in fact it seems to be a bit more gutsy than before so I'm hoping the MAF was on the way out
Post #817346 28th Feb 2020 9:38am
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Merlin



Member Since: 30 Oct 2010
Location: Newmarket
Posts: 982
United Kingdom 
I was told that brake cleaner kills the MAF, there is a specific spray for the purpose.
Post #817364 28th Feb 2020 11:05am
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