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HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

2011 Defender 110 Puma 2.4 SW Stornoway Grey

Hi Caterham,

Will give them a good wiggle in a bit and I'll let you know what I see.

3rd Sep 2016 6:50am

gazman

Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652

I'd have a good look at the main relay. Even though it's a td5 it is exactly the same as a fault I was getting on my td5. I ran the car on the drive and was able to shake the relay and get exactly the same problem by moving/rocking it.
I cleaned the contacts and changed the relay and it's been fine since 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r

3rd Sep 2016 9:38am

HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

Thanks for the tip, gazman! I'll definitely take a gander at it.

7th Sep 2016 7:19am

HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

OK, gave the battery cables a good yank and they're both on there pretty tight as the whole battery shakes when I do yank on them.

Where can I find the main relay in a 2011 Puma?

Still have to print out the earth cheat sheet and have my other sparky give them a once over.

I'm suspecting that maybe it's something in the fuel filter? I experienced it with the old filter and lived with it as the filter change was near. Unfortunately, when the mechanics put in the new filter, they just poured the contents of the old into the new and maybe whatever was causing this went with it? I'm thinking of dumping the contents of the fuel filter then just top it off with clean diesel. What do all y'all think?

21st Sep 2016 6:47am

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

Main relays are under the drivers seat if I remember correctly

21st Sep 2016 6:57am

HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

Thanks, Roy5695! So that be the passenger's seat on a LHD unit. So I check ALL of them?

22nd Sep 2016 8:49am

HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

Just to update, after doing all the checking I can do myself, I consulted a few of the tech guys during a get together and it seems that I may need a new VCV. Will advise once the work is done and report results.

15th Oct 2016 2:27am

HardCharger

Member Since: 03 Mar 2013
Location: Manila
Posts: 735

Just to update everyone, had the VCV changed and ran very well for two weeks before the problem presented itself again. After some head scratching, we decided to replace the main relay and check the main earth point. Upon checking the battery, it seems that the negative connection was still bit loose despite it rocking the truck when you check but apparently if you move it side to side, there is a bit of play so loosened it then pushed down hard on the connection then re-tightened. All good. Truck running like a champ now much more quiet and stronger. I was also advised to go with V-Power diesel as it's a better Euro 4 fuel compared to Fuel Save?

28th Nov 2016 2:59am

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