Advertise on fullfatrr.com »

Home > Technical (L322) > MAF Sensor Wiring Fault
Post Reply  Down to end
Page 1 of 1
Print this entire topic · 
Mike Edwards



Member Since: 13 Feb 2021
Location: Northampton
Posts: 223

United Kingdom 2013 Range Rover Vogue SE SDV8 Causeway Grey
MAF Sensor Wiring Fault

Using IID Tool I noticed the other day and I noticed that the reading from the MAF sensor on one bank was showing 0 volts. I swapped the sensors over and the fault remained on the same side. I'm assuming I must have a wiring fault (L322 TDV8 '11) but I'm unsure where to look.

Any and all suggestions welcome. Thanks.

Post #618745 4th Jan 2022 8:32pm
View user's profile Send private message View poster's gallery Reply with quote
kevinp



Member Since: 28 Sep 2019
Location: Telford
Posts: 1105

United Kingdom 2011 Range Rover Autobiography TDV8 Santorini Black

I could be wrong Mike but could that MAF sensor only start working when the secondary turbo fires up?

Post #618748 4th Jan 2022 8:42pm
View user's profile Send private message View poster's gallery Reply with quote
Mike Edwards



Member Since: 13 Feb 2021
Location: Northampton
Posts: 223

United Kingdom 2013 Range Rover Vogue SE SDV8 Causeway Grey

Ah, good point. I will have to drive it a bit harder and see what happens. I've had so many small wiring faults recently I just put 2 & 2 together and made 5.

Post #618749 4th Jan 2022 8:48pm
View user's profile Send private message View poster's gallery Reply with quote
JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 2570

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

The would be a fault showing on your IID code scan if a sensor was not functioning or out of a normal range. 2012 TDV8 Vogue (L322)

Post #618759 4th Jan 2022 9:39pm
View user's profile Send private message View poster's gallery Reply with quote
Mike Edwards



Member Since: 13 Feb 2021
Location: Northampton
Posts: 223

United Kingdom 2013 Range Rover Vogue SE SDV8 Causeway Grey

I first started looking in this area due to a message, such as:

"P0105-16 (6Cool Manifold absolute pressure/barometric Circuit - General electrical failure - circuit voltage was below threshold"

I suspect a one off issue then led me to spend too much time looking at the 0 volts output from the MAF sensor which was a distraction.

Post #618763 4th Jan 2022 10:14pm
View user's profile Send private message View poster's gallery Reply with quote
JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 2570

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

AFAIK there is just one MAP ( pressure sensor) which is on top of the plenum. There are MAF sensors on each intake airbox and an intake air temp sensor just before the throttle body. Only today on mine I noticed how hard the insulation was on the MAF sensor wires and how they were not covered so quite easy to imagine an internal breakage. Also worth pulling out the MAP sensor to check for soot fouling as this could cause a faulty reading. 2012 TDV8 Vogue (L322)

Post #618769 4th Jan 2022 10:51pm
View user's profile Send private message View poster's gallery Reply with quote
DrRob



Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4204

United Kingdom 2011 Range Rover Vogue SE TDV8 Buckingham Blue

Yes, MAP is a single sensor in the plenum. Your error code hints to that but I'd first check it against the myriad of codes that are explained in the workshop manual (free in the Wiki). Just checked and it's in there under "Engine Control Module" in the "Diagnostic Trouble Codes" folder.
Easy to remove. Unclip wires, Torx25 and it pops out. I do it every oil change (6 months) and blast with brake cleaner. It's always a bit furry. 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90 on order so "Rory" will be going to a new home....!
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

Post #618796 5th Jan 2022 7:55am
View user's profile Send private message View poster's gallery Post Reply
Post Reply  Back to top
Page 1 of 1
All times are GMT

Jump to  
Previous Topic | Next Topic >
Posting Rules
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



Site Copyright © 2006-2024 Futuranet Ltd & Martin Lewis
fullfatrr.com RSS Feed - All Forums


Switch to Mobile site