fullfatrr.com - View topic - L322 4.4 keeps coming up reduced engine performance

Advertise on fullfatrr.com »

Forum · Gallery · Wiki · Shop · Sponsors

Home · FAQ · New Posts · My Posts · PMs · Search · Members · Map · Calendar · Profile · Donate · Register · Log In

Home > Technical (L322) > L322 4.4 keeps coming up reduced engine performance

Page 1 of 2

Print this entire topic ·

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

2006 Range Rover Autobiography 4.4 V8 Java Black

L322 4.4 keeps coming up reduced engine performance

2006 L322 4.4 petrol keeps displaying reduced engine performance on dash briefly then goes off. No performance loss. Engine management light also sometimes does the same. When checking on diagnostics shows mass air flow sensor. Has been changed but no joy. Vehicle can stall when steering whilst going slow and braking. Electrical or something else. Help please. Car runs great but this is driving me mental. Cheers Budha

11th Jul 2015 7:12pm

TugRR

Member Since: 11 Jan 2011
Location: Bakewell
Posts: 1200

Mmm . . . interesting.
I had exactly the same symptoms on my (now sold) 2006 4.4.
Also diagnosed as MAF sensor - all good after changing it.
Maybe your new MAF sensor is faulty ?

Where do you go after one of these . . . ?

11th Jul 2015 8:57pm

verydisco

Member Since: 10 Dec 2009
Location: UK/US
Posts: 2952

2002 Range Rover Vogue 4.4 V8 Tangiers Orange

Try reconnecting/pushing all the way in the various cables and plugs. I had a similar problem and if the MAF plug is not fully in error may appear.
cheers l=Oo\________/oO=l l:OolÎžÎžÎžÎžÎžÎžÎžloO:l

Current
RANGE ROVER Vogue 4.4L SDV8 - 2013 - Indus Silver, on Almond.
RANGE ROVER Vogue 4.4L V8 - 2002 - ex-2003 G4 Challenge Event Vehicle, Stage 3: Australia
RANGE ROVER HSE 4.4L V8 - 2004 - one-of-one Overfinch
RANGE ROVER P38a 4.0L V8 - 1999 - ex-2000 TReK Event Vehicle: South Africa

Previous:
RANGE ROVER Vogue 4.4L TDV8 - 2012 - RANGE ROVER 3.6L TDV8 x3 - RANGE ROVER Td6 x1 - RANGE ROVER Classic 3.5L V8 x1

11th Jul 2015 10:43pm

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

Thanks guys maybe try another sensor.

12th Jul 2015 3:07pm

dhallworth

Member Since: 10 Oct 2011
Location: Glasgow
Posts: 3218

2012 Range Rover Autobiography TDV8 Baltic Blue

Did you go for a genuine MAF or an after market one when changing it? Having had awful experiences with cheap aftermarket MAF's on a few different makes of car over the years I will now only fit genuine when changing them

David. 2002 4.6 Vogue SE - Alveston Red with Lightstone Leather
2012 Range Rover 5.0 SC Autobiography in Indus Silver with Jet/Ivory Interior
2012 Range Rover 4.4 TDV8 Autobiography in Baltic Blue with Sand Interior
2013 Range Rover Sport SDV6 HSE Black Edition in Santorini Black with Ebony Interior

12th Jul 2015 3:51pm

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

Hopefully genuine as fitted by lr dealer!!!!!

12th Jul 2015 4:33pm

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

Mind you I think they tucked me up on price.

12th Jul 2015 4:36pm

Dolphinboy

Member Since: 08 Dec 2009
Location: Bristol
Posts: 3226

2016 Range Rover Autobiography SDV8 Baltic Blue

Make sure it's a Bosch (should say in the actual MAF). I paid about £120 fitted.

12th Jul 2015 5:36pm

RR P38

Member Since: 12 Oct 2013
Location: Sydney
Posts: 215

2003 Range Rover Vogue 4.4 V8 Java Black

You have the BMW engine?
Check oil build up in the spark plug recesses, cam cover leakage.

13th Jul 2015 12:45am

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

No the jag one I think

16th Jul 2015 8:45pm

pld118

Member Since: 25 Mar 2013
Location: Bairns
Posts: 4218

2014 Range Rover Vogue SDV6 Santorini Black

Water pump?

16th Jul 2015 10:50pm

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

Tell me more please

24th Jul 2015 3:24pm

RR P38

Member Since: 12 Oct 2013
Location: Sydney
Posts: 215

Any better diagnosis yet?

27th Jul 2015 12:13am

Dolphinboy

Member Since: 08 Dec 2009
Location: Bristol
Posts: 3226

Sounds obvious but check all the electrical cable connections (Battery, MAF Sensor etc.) Sometimes a partial fit can lead to intermittent disconnection and loss of power.

27th Jul 2015 10:22am

budha

Member Since: 03 Feb 2011
Location: london
Posts: 27

Waiting for the water pump reason to be explained though

27th Jul 2015 5:02pm

Page 1 of 2

All times are GMT + 1 Hour

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