Home > Puma (Tdci) > Puma engine cuts out when idling or low revs when cold |
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Christian1402 Member Since: 17 Feb 2016 Location: Cumbria Posts: 214 |
I've got a similar problem. Does yours hesitate on acceleration sometimes too? If when going from first to second, there's no power for about 2 or 3 seconds, then it pulls like normal?
Mine also hunts at idle |
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9th Mar 2016 5:17pm |
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Benji Member Since: 07 Mar 2016 Location: Cumbria Posts: 4 |
It's fine accelerating, but cuts out when the revs drop and has just started to hunt when cruising when the engine is cold. Currently a frustrating mystery! Getting worse by the day - need some warmer weather!
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9th Mar 2016 11:49pm |
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Eduardo Member Since: 28 Aug 2008 Location: RegiĆ³n Metropolitana Posts: 2109 |
Guys,
I had a similar issue some time ago: RPMs in idle come down and up and finally the engine cuts. Also with the time the acceleration was also involved. In our case turn to be the MAF doing erroneus lectures. After change the MAF the problen dissapears 100% Cheers and good luck Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge |
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10th Mar 2016 12:04am |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17327 |
There are several - even many - things that could be contributing to this sort of running on a Puma.
The first thing I would do is check whether there are any DTCs stored on the ECU, since if there are it may save a lot of wasted time. In fact, the absence of any stored DTCs may also save wasted time, since if there is none it suggests that the problem is in an area not monitored by the ECU. Possible causes that spring to mind are the EGR valve, MAF, MAP, or CHT sensors, or a fault with the fuel system. Hunting at idle especially when cold can be caused by a defective VCV or uncalibrated fuel pump. |
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10th Mar 2016 9:07am |
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Christian1402 Member Since: 17 Feb 2016 Location: Cumbria Posts: 214 |
Thanks for the info. Am I right in thinking the tdci runs off nanocom, same soft wear as the td5?
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10th Mar 2016 9:20am |
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blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17327 |
Nanocom can be used on the TDCi, but requires different software due to the engine ECU and instrument pack being CANbus based.
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10th Mar 2016 10:26am |
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Christian1402 Member Since: 17 Feb 2016 Location: Cumbria Posts: 214 |
I see, I'll have to see if there is anyone local with the equipment/soft wear
Thanks, and sorry for hijacking the thread! |
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10th Mar 2016 10:27pm |
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Benji Member Since: 07 Mar 2016 Location: Cumbria Posts: 4 |
Thanks all, v useful - and I spoke too soon - started to hunt on acceleration yesterday! Lots to try...
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11th Mar 2016 7:30am |
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Christian1402 Member Since: 17 Feb 2016 Location: Cumbria Posts: 214 |
If you find a solution to the problem please share, of course ill do the same if/when I find out what's wrong with it!
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11th Mar 2016 8:28am |
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jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7990 |
Likewise, i am interested to see how you get on Cheers
James 110 2012 XS Utility 130 2011 M57 bespoke Camper 90 2010 Hardtop 90 M57 1988 Hardtop |
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11th Mar 2016 9:31am |
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Benji Member Since: 07 Mar 2016 Location: Cumbria Posts: 4 |
Warm weather today for first time in a while and it ran perfectly, so definitely cold related.
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13th Mar 2016 10:32pm |
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