 | Home > Puma (Tdci) > I need help: Puma goes in Limp mode |
 
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74   
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From some days my Def 90 SW 2008 is going into Limp mode without any fault code.
It happens when the engine is hot only. When it is cold it works well. I have EGR disconnected and all original (ECU map, intercooler etc.). I cleaned MAP sensor but nothing changed. Help please. Thank You Vinicio https://google.com/+VinicioSelleri |
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19th Sep 2013 6:56am |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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main relay? ... there's a similar thread here http://www.defender2.net/forum/topic21349.html
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19th Sep 2013 6:57am |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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I changed it but nothing changed. I suspect a turbocharger's actuator malfuction. I have this problem when the engine is warmed. Any other idea? https://google.com/+VinicioSelleri
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19th Sep 2013 7:43pm |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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At the end I found the problem.
First of all I want underline that I needed to reconnect EGR, because when I had EGR disconnected with ScangougeII (that I have fitted permanently) I was able to read DTC P1402 and P1409 only. Once reconnected EGR and cleared those fault codes when limp mode start I was able to read DTC P2562 Turbocharger Boost Control Position Sensor "A" Circuit. So I'm sure that I have to repair turbocharger's actuator (and reconnect EGR too). Thank You all. Vinicio https://google.com/+VinicioSelleri Last edited by vinsell on 20th Sep 2013 5:50pm. Edited 1 time in total |
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20th Sep 2013 6:19am |
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| Skye_Rover Member Since: 29 Aug 2013 Location: Skye Posts: 85  
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You might be able to repair the turbo actuator without replacing it. The Honeywell electrical actuator is well known for putting out the DTC P2564 Turbocharger Boost Control Position Sensor "A" Circuit Low anyway, but a good check of the wiring and the plug at the actuator could have this problem fixed. If it does prove to be the actuator, and not the wiring, you will need someone with a tool that can reset the adaption limits for top and bottom "electronic stops" on the actuator. Most of the professional scan tools that cover the 2.4Puma can do this, and you might find that even a basic tool can perform the service reset on the turbo.
Let us know how you get on, as I have a few tricks that you can do without a scantool to help this problem. Roads? Where we're going, we don't need roads. |
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20th Sep 2013 10:48am |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
I had the same issues and they were rectified under the following bulletin by the dealers.
http://www.defender2.net/forum/topic5125.html  Click image to enlarge Click image to enlarge Click image to enlarge 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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20th Sep 2013 11:57am |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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Mh
 ! I have to go to the dealer  .....I'll let You know.
Thank You Vinicio https://google.com/+VinicioSelleri |
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20th Sep 2013 1:27pm |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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Incredible
 , they want to replace me just the egr valve and do a software update despite I gave them the bullettin LTB00254  ! https://google.com/+VinicioSelleri |
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23rd Sep 2013 6:22am |
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| dgardel Member Since: 30 Nov 2008 Location: Veneto (Heart & Head) Posts: 3586
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call me (sent number by PM) Discovery 5 td6 HSE Stornoway Gray Outback Engineering Limited Edition
IID Pro MV License |
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23rd Sep 2013 11:41am |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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They told me they checked the harness of turbocharger's actuator but my car don't need any modification or repair on it. They told me they solve the problem I had with a software up-date only , but the egr valve is not working properly.
So they are going to change egr valve. 
The question is: is it possible that a car needs a software up-date after 5 years and 84000 km ?????????? I'm thinking of buying a TOYOTA a.s.a.p.
I'm depressed. Vinicio https://google.com/+VinicioSelleri |
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26th Sep 2013 8:37am |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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The car seems OK
! Something really changed: EGR valve stays more closed (by ScangougeII reading) than before, now it stays between 8 and 20 % a lot more. Driving the car is very smooth and it accelerates quickly. Fingers crossed.
Thank You all. Vinicio p.s. TOYOTA can wait!  https://google.com/+VinicioSelleri |
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27th Sep 2013 10:20am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20348 
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The EGR can make quite a difference in performance, when working as it should it's fine but if isn't it saps a lot of power. A service and new EGR can make the world of difference. It did on mine. $W33T $0U7H3RN $UG4R
🇬🇧🏴🏴🏴🇮🇪🇺🇸⛽️🛢️⚙️🧰💪 Last edited by custom90 on 27th Sep 2013 10:39am. Edited 1 time in total |
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27th Sep 2013 10:25am |
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| x-isle Member Since: 26 May 2011 Location: Midlands Posts: 1327  
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A new EGR makes a huge difference.
Mine hadn't failed but was starting to make some squeeking noises when the valve was moving so I put a new one on, the difference was like I'd had a remap. Craig Rogers 2007 Puma 110 XS 2011 Evoque Coupe Dynamic Lux www.craigrogers.photography |
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27th Sep 2013 10:30am |
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| vinsell Member Since: 06 Feb 2009 Location: Brindisi (Italy) Posts: 74
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The truth is that the Defender gives you a lot of trouble but keeps you young in body and brain
Aloha Vinicio https://google.com/+VinicioSelleri |
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27th Sep 2013 10:37am |
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