 | Home > Tdi > Cold start prob |
 
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| Andy Jeff Member Since: 11 Nov 2012 Location: Suffolk, UK. Posts: 143   
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Weak lift pump dirty fuel filter and slight fuel wax?
Andy. |
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13th Dec 2012 1:00pm |
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| SteveG Member Since: 29 Nov 2011 Location: Norfolk Posts: 660 
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You can check glow plugs
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13th Dec 2012 1:27pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501 
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Had the same thing on my Tdi a few years ago checked the glow plugs and found none of them were working so changed them and still no joy,turned out to be the fuel lift pump letting the fuel run back.Nice cheap fix and easy d.i.y job too. 2005 Td5 90 XS
Steve |
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13th Dec 2012 3:21pm |
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| sweatysock Member Since: 17 Jul 2011 Location: Warwickshire Posts: 283 
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Thanks for responses to date, think I will start with the lift pump. I have heard you can identify if it is faulty by turning the engine after losening a screw on the top....does that sound right....you may have guessed, I am no mechanic Sweatysock
------------- 110 CSW TDCI (Puma) 2007 |
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13th Dec 2012 3:30pm |
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| Lou Sparts Member Since: 15 Apr 2012 Location: Kent Posts: 1501
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You can loosen the bleed screw on top of the fuel filter housing and operate the lift pump by hand and you should get fuel coming out of the bleed screw if the pump is ok.Probably worth changing the pump anyway as they are only about £25-£30 and they can get week with age. 2005 Td5 90 XS
Steve |
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13th Dec 2012 3:36pm |
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| sweatysock Member Since: 17 Jul 2011 Location: Warwickshire Posts: 283
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Well got back tonight and it started frst time so confused now as it is still pretty cold Sweatysock
------------- 110 CSW TDCI (Puma) 2007 |
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13th Dec 2012 6:27pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8051  
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if the fuel drained back from the lift pump it would do it all the time not just on a cold day
water in the fuel and or fuel filter that had frozen blocked the line? waxing - possibly - unlikley i would of thought. does it start off a jump now its warmer? Cheers James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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13th Dec 2012 8:22pm |
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| sweatysock Member Since: 17 Jul 2011 Location: Warwickshire Posts: 283
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Just tried it again - started 1st time bursting into life. Will have to have a look at it when light and check out some of the suggestions - the water freezing theory does seem to hang together Sweatysock ------------- 110 CSW TDCI (Puma) 2007 |
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13th Dec 2012 11:02pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 8051
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any further investigation? Cheers
James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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15th Dec 2012 7:37pm |
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| sweatysock Member Since: 17 Jul 2011 Location: Warwickshire Posts: 283
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JST
all working as normal and been caught up with work so no major diagnosis. Having said that, I did try out the lift pump as suggested and all looked ok. I am unclear as to how I would establish if their was wax in fuel or indeed water in fuel filter other than just replacing them,,, I guess my plan was to see if the situ replicated itself and then take it from there.. any continued advise would be appreciated Sweatysock ------------- 110 CSW TDCI (Puma) 2007 |
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15th Dec 2012 8:49pm |
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