 | Home > Puma (Tdci) > Loss of throttle response! |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20348  
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No MIL light / limp mode? Sounds like a possible fuel starvation issue. (Wouldn't worry) what revs were you at? $W33T $0U7H3RN $UG4R
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10th Nov 2013 9:51pm |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74  
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I had the same and at the end I replace egr valve, turbo actutor harness (that was broken) and turbocharger (because actuator was gone). Now my Def is better than new. Note that egr valve and turbocharger are different than the original and harness was been modified according to a technical bullettin. They are improving defender with our money! 
Vinicio https://google.com/+VinicioSelleri |
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11th Nov 2013 6:32am |
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| cobs Member Since: 12 Jun 2008 Location: North Yorkshire Posts: 336 
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@Toplink
Would be interested to hear if you get to the bottom of this - I had a similar problem with a VW Passat recently, switched off then on and all fine - ran fine for next two thousand miles. It's just started again, wondered if it was weather related. |
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11th Nov 2013 1:01pm |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
Unplug the accelerator pedal multiplug and coat with electrical contact cleaner. The area around the plug can get wet causing mineral contamination of the plug pins. Also when you are there check the condition of the harness.
 Click image to enlarge Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated  |
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11th Nov 2013 6:22pm |
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| Toplink Member Since: 05 Dec 2010 Location: Somerset Posts: 159
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Right update.
No mil on and no codes on SDD or Snapon micro scanner. Historic fault noted on SDD @456 miles that was on the second day from new. Ran through an air passage flow test on EGR and Turbo,nothing conclusive. LR tech bulliten recommends replacing actuator arm(only costs a few quid so worth a try). As problem has only happened once,I think I will just drive it on and see what happens. Thanks for your replies. Its never over in my land rover. 2007 Defender HTop. 1952 Series One 80" 1977 Muir-Hill 111. 2014 Triumph Tiger800xc 1999 Discovery 2 td5 1982 Ransomes TSR300D. 2002 Yamaha XT600e. 2010 Freelander2 (the wifes) 2008 John Deere X140 |
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12th Nov 2013 10:33pm |
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| JoostKenya Member Since: 31 Jan 2010 Location: Naivasha Posts: 9 
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Is the raddiator low on water?
And was the engine almost overheating? In that case the ECU is taking the power down and no fault being logged in the ECU. In other cases (like the throttle) I would expect a fault in the ECU. Joost Defender 110 Puma 2.4 Tornado TD5 Racer Defender 110 V8 Defender 136'' 300Tdi Safaricar SIIA V8 Hybrid |
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13th Nov 2013 7:30am |
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| Toplink Member Since: 05 Dec 2010 Location: Somerset Posts: 159
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No over heating probs and no coolant losses and no fault codes logged.
Its done it another 4 times on a recent 1.4k trip to Scotland. Only way to correct is to pull over and switch off ingnition turn straight back on and away you go. I can now do this on the move it saves pulling over. Its never over in my land rover. 2007 Defender HTop. 1952 Series One 80" 1977 Muir-Hill 111. 2014 Triumph Tiger800xc 1999 Discovery 2 td5 1982 Ransomes TSR300D. 2002 Yamaha XT600e. 2010 Freelander2 (the wifes) 2008 John Deere X140 |
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11th Dec 2013 10:39pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17372 
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Volume Control Valve on fuel pump malfunctioning or sticking perhaps. Very similar to some of the symptoms I had, and generally won't raise a DTC.
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12th Dec 2013 10:30am |
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