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mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

2009 Defender 110 Puma 2.4 CSW Epsom Green

Ticking over perfect but stuttering as I go to pull away

Hi all,

I wonder if someone can help me diagnose a problem.

I'd noticed recently after starting my LR 110 she ticks over fine and is not hunting but as I go to pull away I apply the gas lift the clutch and she starts to stutter it sounds very much like she's missing a cylinder - if you've ever had water in the fuel filter it feels like that without the smoke (just put new filter on so I know it's not that) after a minute or so the problem goes away but it will do it again if I stop her and start her up regardless of whether she's warm or cold.

Any thoughts appreciated

Cheers

Mike

26th Jul 2015 8:33am

Mjibex

Member Since: 21 Mar 2013
Location: Reading
Posts: 283

2013 Defender 110 Puma 2.2 XS CSW Loire Blue

What engine have you got? I'm going to guess Td5. I have a V-reg Discovery 2 that has done this for 5 years we've owned it. Not found the answer (have changed the injector loom). Sorry that's not much help.

Regards

Mark.

26th Jul 2015 7:40pm

mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

Hi thanks for the response - sorry I should have put engine details - its a 2009 2.4 tdci, I'll put injector loom on my list of things to check.
Thanks again
mike

26th Jul 2015 8:23pm

munch90

Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

Injector loom is a td5 problem not a tdci one

sorry to say your tdci problem doesnt sound a common one

you say once run for few mins its then fine for rest of journey, until you turn it off then on again?

how long do you have to leave it before it plays up again ?, off then back on does it play up ? Or after few hours

26th Jul 2015 8:31pm

mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

Hi
It's straight away - I could do 50 miles turn it off for a couple of seconds and same on restart...it's odd!

26th Jul 2015 11:37pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17386

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

Do you have any DTCs (fault codes) stored on the ECU? If so, what are they?

If no stored codes, I would tend to suspect the infamous Volume Control Valve on the fuel pump. It can cause almost any peculiar fuelling symptom and generally doesn't cause DTCs. Most other faulty components will give rise to DTCs.

27th Jul 2015 9:27am

mfjeep

Member Since: 26 Jul 2015
Location: ashford
Posts: 11

HI
Only codes are related to MAF + EGR - I claened the egr and the maf a couple of days ago and it's not made a difference
There looks to be some oil weeping around the fuel pump - I'm wondering if this could be ralated?

27th Jul 2015 1:35pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 17386

OK, a MAF fault or an EGR fault could be causing the symptoms you describe (the EGR being the more likely of the two) so it might be worth trying to sort those out first. Do you know what the fault codes are?

Did you clear the faults after cleaning the MAF and EGR, and if so have the faults returned?

Incidentally this emoticon -

- was designed especially to illustrate what happens when the VCV plays up! It is really frustrating because the range of possible symptoms is so large, it doesn't seem possible that one component can cause them all without producing a DTC!

27th Jul 2015 2:40pm

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