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texet7

Member Since: 05 Jul 2016
Location: East Riding of Yorkshire
Posts: 14

What's the connection on the airbox for?

I was considering doing an experiment and basically removing the air box and replacing it with a K&N conical filter connecting straight to the MAF. In theory that should work just fine and whether it's beneficial or not is still down to testing as i've never seen it done. The only thing i've noticed though before doing it is this connection to the airbox. I just wanted to know what it does and will disconnecting it put it in limp mode or have any affect really. Thanks, image below

Click image to enlarge

21st Jul 2016 5:38pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

ambient air sender is in the in side of the air filter box

21st Jul 2016 6:09pm

texet7

Member Since: 05 Jul 2016
Location: East Riding of Yorkshire
Posts: 14

Thanks. Is this like a flow or temperature sensor? What'd be the affect of unplugging this 2003 Defender TD5 90

21st Jul 2016 6:13pm

dorsetsmith

Member Since: 30 Oct 2011
Location: South West
Posts: 4554

temperature sensor What'd be the affect of unplugging ecu will not be able to read amb air temp

MAF is the next one between air filter box and the turbo

21st Jul 2016 6:15pm

Fatboy Slim

Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

It's the atmospheric pressure and temperature sensor. You need it as it gives the ECM the base line reference for boost pressure.

23rd Jul 2016 10:03am

gazman

Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652

I wouldn't personally the oil from the k &n might damage the airflow meter. I removed the k&n panel filter from mine incase and ive not refitted it 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r

23rd Jul 2016 1:35pm

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