Member Since: 18 Sep 2013
Location: Wirral
Posts: 136
Restricted Performance advice
Following a trip up the M6 to the Lakes towing the Caravan I got the dreaded restricted performance warning
The car is a TDV6 2010 HSE, the warning kept resetting and coming back during the holiday and was joined by the engine management light on the return trip with the van.
When plugged in it is showing low turbo pressure and fuel air correlation faults
The was also a whooshing type noise when the engine was pulling / turbo operating.
I am hoping it may be a hose or something simple, although fear more expense is on the way
Any suggestion what to look for .......
Cheers
Ian
14th Apr 2017 10:49 am
dgardel
Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025
mhmmmm
first i'm thinking about turbo hoses or splitted intercooler
other causes should be by-pass valve or cracked manifold....
Mileage?
Can you read the DTCs (ECUs errors)?Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition IID Pro MV License
14th Apr 2017 11:22 am
Ian McL
Member Since: 18 Sep 2013
Location: Wirral
Posts: 136
the mileage is 98k I am fearing a cracked manifold
14th Apr 2017 11:26 am
adam
Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917
Snap!
Mine did exactly the same - diagnosed as a faulty vacuum switch on one of the turbos - took a while to diagnose as was intermittent
Waiting for part to be fitted
14th Apr 2017 11:37 am
nigel207
Member Since: 26 Mar 2009
Location: Nottinghamshire
Posts: 1344
Last June, and then in December, I had the "Restricted Performance" message pop up, together with the said drop in power. Both times, we were towing the caravan, and it happened at exactly the same place. The fault codes pointed to the LP turbo, but as it happened so occasionally, I didn't push for a repair. When I recently called in to my LR Indi, he said that he'd done a bit of research, and found that LR had issued bulletins re this, and before turbo's are replaced, check A, B, and C. A was the 'O'-ring on the air intake pipe, which in my case it turned out to be. Since having had it replaced, the car seems smoother and more responsive. Granted, it might be placebo, but............ Plus, the £30-odd for the part was a lot cheaper than a new turbo, even if WD would have been called upon to foot the bill! Not sure what options B and C were, but worth checking. Oh, and that's on a MY2010.
14th Apr 2017 5:02 pm
Ian McL
Member Since: 18 Sep 2013
Location: Wirral
Posts: 136
Unfortunately it has turned out to be the dreaded cracked manifold, booked in next week for a replacement
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