Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136
I booked the car in with Guava in Guildford to have the fault looked at, but the message has now disappeared after a few restarts.
I suppose it's still worth getting it looked at in case it's the start of a problem?
Is the restricted performance linked to only the engine or can it be suspension etc as well?
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16th Apr 2016 2:59 pm
geoff.
Member Since: 24 Jan 2010
Location: West kent
Posts: 8531
it will be water in fuel sensor
16th Apr 2016 4:11 pm
Dannyson
Member Since: 15 Oct 2014
Location: Newquay, Cornwall
Posts: 820
So .... how does that get there?..... is there anything we can do to prevent as drivers.... not mechanics.? 2016MY Discovery HSE - Black
2009MY Toyota Land Cruiser (Lc4) - Black
16th Apr 2016 11:25 pm
landyhead
Member Since: 19 Mar 2009
Location: cardiff
Posts: 144
got it sorted, mate owns a garage, has a lot of contacts got code read and boost pressure was down on turbo, pipe was split, changed pipe and all fine, new pipe looks modified with hessian cover for moe strength.welsh petrol head
Base 5 seat, ex HA with air,terrain,tip tronic and some bling (gone)
D4 Gs 7 seat totally standard for now
17th Apr 2016 11:47 am
JksD4
Member Since: 31 Mar 2015
Location: Highlands
Posts: 100
I get the Restricted performance occasionally - it is usually when the battery is a bit low, so a decent run usually cures it on next restart. The fault code usually points to the water in fuel sensor ( with my IID tool) which is interesting - I just ignore it.
I did a lot of work on the water in fuel issue last year:
The WIF sensor is just a potential bridge, with a 12v feed, Ground, and signal wire. The actual voltage in the signal line is variable and the ECU has an 'acceptable' range, but I wasn't able to determine exactly what that was.
In conclusion though, a good clean of the sensor (taking it out of the fuel filter) and using electrical contact cleaner on the electrical connector from the fuel filter housing into the wiring loom (C3427N on my D4) seems to do the trick. A lot of people change the filter and the housing, but not been a problem in my experience.MY2010 D4 3.0 TDV6 HSE Stornaway grey
17th Apr 2016 1:20 pm
robpenrose
Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136
geoff. wrote:
it will be water in fuel sensor
Thanks for the info Geoff.
I think it's something like that as it came on again last night when I started to head out, but went off again when I restarted to come back. It only comes on as soon as I've started, not during driving etc.
I also can't feel anything different with the car. Performance doesn't seem restricted from what I can feel.
I have it booked into the garage, so will continue with that to hopefully get it sorted. I will report back!
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18th Apr 2016 12:31 pm
robpenrose
Member Since: 12 Jan 2016
Location: Surrey / SW London
Posts: 2136
Well Geoff was correct on my issue.
Got a couple of other things that need sorting as well at some point, so will be in contact Geoff to arrange some maintenance.
Current: D4 HSE
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