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expatRob

Member Since: 24 Feb 2015
Location: Frankfurt
Posts: 58

2007 Defender 110 Puma 2.4 SW Tonga Green

Battling 1103 error and loss of power

I have two things happening and maybe they are related. I get the MIL indicator and the only error is 1103. I have replaced the MAF sensor and I am getting a scoop to mount to try and get more air flow to see if that helps.

This doesn't happen all the time and mostly when it is cold outside.

While I am driving on the highway at speed and the then the engine loses power and the 6th is worthless, I pull to a stop, turn off the engine and then turn back on. It fixes the problem. Obviously I can't just do this all the time, I need to find out what to do.

Are these two things related? Is my Turbo the problem, for example maybe it is sticking.

Thanks for your thoughts.

Rob

3rd Jun 2019 8:34am

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6605

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Check the wiring loom to the sensor for damage.

1988 90 Td5 NAS soft top

2015 D90 XS SW

3rd Jun 2019 9:00am

neon1991

Member Since: 26 Mar 2018
Location: Colchester
Posts: 75

2014 Defender 110 Puma 2.4 USW Firenze Red

it's weird that it's restricting power. my 2.4 gave this code a couple of times, swapped the MAF and still threw up the code. swapped the EGR and it didnt come back. I wasnt getting any power loss though. The only time I had power loss was when I had a duff battery and my diognostic thing said it I had an over boost problem. Restarted the car and it was gone.

3rd Jun 2019 4:12pm

PAT303

Member Since: 25 Feb 2013
Location: Australia
Posts: 125

1998 Defender 110 300 Tdi SW Alpine White

Remove the boost control sensor and clean it with MAF cleaner, that will fix your problem.

5th Jun 2019 9:56am

ickle

Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1780

2008 Defender 110 Puma 2.4 CSW Alpine White

Or turbo vanes sticking…….

5th Jun 2019 5:45pm

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