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Home > Technical (L322) > Slow to restart
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RR1234



Member Since: 29 Apr 2013
Location: Northern Ireland
Posts: 55

2014 Range Rover Autobiography SDV8 Luxor
Slow to restart

After I have driven my RR for a while it is slow to restart - why?

All thoughts and suggestions of how to sort welcome.

Post #231110 23rd Dec 2013 7:38pm
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

Generally it's fuel pumps or injectors.

Post #231111 23rd Dec 2013 7:41pm
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RR1234



Member Since: 29 Apr 2013
Location: Northern Ireland
Posts: 55

2014 Range Rover Autobiography SDV8 Luxor

Thank you. I've replaced two fuel pumps over the past two months. One in the fuel tank the other at the rear - one left to replace in the engine?

Post #231234 24th Dec 2013 9:44am
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

Why not bung in some fuel system cleaner before you start on the injectors?

Post #231242 24th Dec 2013 10:02am
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adigorn



Member Since: 18 Mar 2010
Location: West Midlands/Birmingham
Posts: 204

United Kingdom 

because the fuel cleaner is not going to fix the overflow issue
which is the most likely causing the starting problems

might be HPP problem as well however less likely

next step would be leak off test Thumbs Up

Post #231250 24th Dec 2013 10:17am
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

I had injector failure, but once it was running it ran ok on all 6 cylinders. It was just at the start that it didn't work. It also got progressively worse until it wouldn't start without easy start.

Injector cleaner may not fix it but the worst that can happen is you clean the other 5 injectors. It's the cheapest thing to try next.

Post #231263 24th Dec 2013 11:02am
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adigorn



Member Since: 18 Mar 2010
Location: West Midlands/Birmingham
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Ok but at the end of the day its pointless

no mater cheap or not

Post #231266 24th Dec 2013 11:32am
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

...er, based on what?

Post #231267 24th Dec 2013 11:33am
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adigorn



Member Since: 18 Mar 2010
Location: West Midlands/Birmingham
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On experience mostly
not to mention that magic potions spraying wd40 etc
is just a butchering prolonging failure of component
having nothing to do with actual fix

Post #231268 24th Dec 2013 11:37am
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stan
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Member Since: 13 Jul 2010
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the OP says he has problems starting after he has been driving , so would that be an air lock possibly? ... - .- -.




Y. O. L. O.
.

Post #231270 24th Dec 2013 11:52am
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adigorn



Member Since: 18 Mar 2010
Location: West Midlands/Birmingham
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possibly
but if we will look at the problem as
difficult to start when hot (better on cold)
it may be inj overflow (so leak off test would give us some answers)

me thinks Thumbs Up

Post #231271 24th Dec 2013 11:56am
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stan
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injector overflow as in ''a flooded carb'' ? ... - .- -.




Y. O. L. O.
.

Post #231272 24th Dec 2013 12:00pm
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KurtVerbose



Member Since: 08 Aug 2010
Location: Les Arses
Posts: 5848

Switzerland 2007 Range Rover Vogue TDV8 Stornoway Grey

adigorn wrote:
On experience mostly
not to mention that magic potions spraying wd40 etc
is just a butchering prolonging failure of component
having nothing to do with actual fix


Not according to the many experiences of members on this forum, in the thread I referenced.

Who's mentioned wd40? Or even magic potions for that matter?

Stan, mine was terrible when hot. What was happening was the dodgy injector was de-pressurising the rail and sending the fuel back to the tank. Once it was up and running there was enough pressure to run ok. My only point is a cleaner may clear a blockage in an injector and is worth a try. If it doesn't then a leak off test is probably next port of call.

Post #231274 24th Dec 2013 12:20pm
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stan
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Member Since: 13 Jul 2010
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understood David.. Thumbs Up

i would try the cheapest 'possible' solution first but then i'm a tight git... Laughing ... - .- -.




Y. O. L. O.
.

Post #231275 24th Dec 2013 12:25pm
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adigorn



Member Since: 18 Mar 2010
Location: West Midlands/Birmingham
Posts: 204

United Kingdom 

Quote:
Not according to the many experiences of members on this forum, in the thread I referenced.

Who's mentioned wd40? Or even magic potions for that matter?


i understand
whats injector cleaner than in your opinion
technically approved solution

i am just trying to say if something is faulty needs a proper repair
not pouring chemical int the tank and prayer


Quote:
Not according to the many experiences of members on this forum, in the thread I referenced.

if i understand correctly i am entitled to express my own opinion based on my own experiences

Post #231277 24th Dec 2013 1:01pm
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