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patersp
Member Since: 09 Jun 2016
Location: Bromley
Posts: 91
  
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| Engine 'hunting' on light throttle |
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Morning all. Bit of a difficult one to describe but, on light throttle, it's as if the engine is hunting until speed/revs are increased.
It happens when slowing down for a roundabout or slowing down when turning into a junction. It's not the good old hesitation that we all seem to experience - this is different. Almost like the engine isn't receiving sufficient fuel until the revs are picked up. If I'm a bit more aggressive on the throttle it doesn't happen, but then you get a jerk as it kicks down and I prefer to be a smooth driver 8)
Has anybody experienced this before?
As always, thanking you in anticipation.
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 10th Oct 2018 9:51 am |
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Browny90
Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 698
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Fuel Filter?
Or has it been serviced recently?
Do you always fill up at the same place? could it be contaminated/ crap fuel? Disco4 MY16 SDV6 Landmark Black
Disco4 MY12 SDV6 XS Orkney Grey (Gone)
Defender 90 200tdi Completely rebuilt.
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| 10th Oct 2018 9:56 am |
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patersp
Member Since: 09 Jun 2016
Location: Bromley
Posts: 91
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Cheers for the advice. It did have a service at a very good indy garage in July but it didn't include a fuel filter change this time round.
I normally use V-Power diesel from Shell but the SWMBO tends to run the tank low until the warning light comes on (and beyond) so maybe there is some crud in the filter....
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| 10th Oct 2018 10:09 am |
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Browny90
Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 698
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I would start with changing the fuel filter..
maybe run your tank low, fill up with decent fuel, then change the filter..
To be honest, I always run my tank down to super low and have never had a problem with 'crud in the bottom of the tank'.
if you change the filter, fresh fuel, a really good blast on the motorway, then go from there..
 Disco4 MY16 SDV6 Landmark Black
Disco4 MY12 SDV6 XS Orkney Grey (Gone)
Defender 90 200tdi Completely rebuilt.
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| 10th Oct 2018 10:16 am |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8230
 
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New oem filter won’t do any harm if it hasn’t already had one recently, have the injector live values checked at tick over, highly likely you have a faulty injector or two  It can when others can't,
It will when others won't,
It goes where others don't.
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| 10th Oct 2018 10:18 am |
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patersp
Member Since: 09 Jun 2016
Location: Bromley
Posts: 91
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Now that sounds expensive........ 
Would this flag as a fault code as the car had the symptoms before the service and the indy said there were no errors present?
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| 10th Oct 2018 11:56 am |
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patersp
Member Since: 09 Jun 2016
Location: Bromley
Posts: 91
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Had a bit of a play tonight and it doesn’t do it from standing still, only when in a higher gear and the revs are low, almost like it’s not in the correct gear. Odd behaviour. Got to love them 
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| 10th Oct 2018 7:20 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8230
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Can’t tell what gear mine is in, when revs are low it changes down automatically I think, it’s so smooth I just don’t feel anything, it sounds more like a gb problem to me, maybe resetting the gb adaptations might help. It can when others can't,
It will when others won't,
It goes where others don't.
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| 10th Oct 2018 8:24 pm |
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patersp
Member Since: 09 Jun 2016
Location: Bromley
Posts: 91
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Think it may be worth a visit to my local indy 
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| 10th Oct 2018 9:13 pm |
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