 | Home > Puma (Tdci) > Puma 2.4 p068a engine controls relay denergized to early |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20351  
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Check all relays are fully secure and negative battery clamp is tight.
Worth checking chassis earths etc too. Check fuses are secure. You never know it is likely just something loose causing the whole issue. $W33T $0U7H3RN $UG4R 🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 |
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22nd Sep 2016 10:20pm |
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| Menickb Member Since: 22 Sep 2016 Location: Cwmbran Posts: 6 
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Checked all the above all seem ok it will also cut out if I leave it idle. Same thing start back up then cut out couple of times then won't start unless I leave it a few seconds then it's up again
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23rd Sep 2016 7:19am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20351
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How about the plug on the rear of the IPAC? (Instrument cluster) $W33T $0U7H3RN $UG4R
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23rd Sep 2016 9:44am |
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| Menickb Member Since: 22 Sep 2016 Location: Cwmbran Posts: 6
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I'll check that in the morning. Once left to idle it does tend to hunt now and then and gets worse before it cuts out so think I'll swap out the fuel quantity solinoid on the back of pump think I have a spare from a transit
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23rd Sep 2016 4:47pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4656 
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If you had described these symptoms without naming the vehicle one would suggest fuel starvation or intermittent fuel supply but that would not give you the code you are getting. If it were mine I'd open the drain bung on the diesel filter and see if any water came out. Could be as simple as a bad batch of fuel. If not that we are back to the electronic fault stuff. 1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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24th Sep 2016 10:01am |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
Replace the VCV valve on the fuel pump. P068 is a common dtc on the Puma which logs every time you plug in certain scan tools/readers into the OBDII socket.
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26th Sep 2016 12:28am |
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| Menickb Member Since: 22 Sep 2016 Location: Cwmbran Posts: 6
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Replaced the controls solenoid on back of pump and the pressure relief valve on rail and still not better
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26th Sep 2016 2:29pm |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
Did you carry out a pump learn and pilot correction learn. Another issue can be bio contamination of the fuel system also the fuel ports on the filter housing are tiny and can get blocked with crud picked up from the tank. Plenty of posts on here about bio contamination and cleaning the fuel system.
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29th Sep 2016 1:36pm |
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| Menickb Member Since: 22 Sep 2016 Location: Cwmbran Posts: 6
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All sorted replaced fuel sender as it was damaged the swirl pot and tank was full of black silt and grit and bits of grass fuel itself was pretty dirty so cleaned it all out replaced sender unit and also breather pipe as it was split and relocated as a friend from Stratstone landrover informed me the position of the breather on the defender is pretty
 and sucks all sorts of crap in new filter and she's running a dream pic of fuel will follow cheers for all your input
 Click image to enlarge |
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29th Sep 2016 5:45pm |
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| Menickb Member Since: 22 Sep 2016 Location: Cwmbran Posts: 6
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Old on the left fresh on right
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29th Sep 2016 5:46pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
have look at the link
http://www.diesel-bug.com/dieselbug.pdf |
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29th Sep 2016 6:13pm |
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