 | Home > Maintenance & Modifications > Twisted P6 performance map |
 
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| Green Machine Member Since: 19 Nov 2010 Location: North Yorkshire Posts: 1226   
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Presumably Twisted?
Link 2005 Td5 | 90 Station Wagon | Tonga Green |
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31st Mar 2015 12:51pm |
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| 5 POT Member Since: 24 Nov 2014 Location: UK Posts: 81 
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What are the symptoms? Presume you have tried but is it worth speaking to Twisted if they carried out the work? That would be my obvious choice!
Would be strange to suddenly go wrong after being installed on the vehicle for some time? What is P6? Is that their stage 2 so full stainless exhaust and map? |
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31st Mar 2015 1:56pm |
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| MarkyMark Member Since: 28 Oct 2014 Location: New Forest Hampshire Posts: 62 
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Hi 5 Pot,
I have the Remap, Intercooler and hybrid turbo. In term of symptoms this was the sequence of events leading to the current intermittent fault. Couple of weeks ago driving along normally and the Speedometer starting fluctuating madly with no change in road speed. I pulled over, checked everything and when restarted she went into limp mode. The AA came out and checked the OBD error messages and thought the speed sensor in the gearbox had failed thus causing the limp mode. Then I limped over to my local Landrover Indie garage who diagnosed a number of sensors showing error messages EGR, Speed sensor and three Injectors. After consultation with Land rovers technical support the EGR valve/sensor, speed sensor and Instrument cluster were duly changed. All errors were then cleared and after a ~3 miles test-drive with no faults She was returned to me. Over the next 3 days I noticed at intermittent fault where at certain constant speed, rev's the engine would hesitiate with a slight change in engine note and the speedometer would move very slightly. I could best reproduce during longer test drives 2000-2500 RPM @70mph independent of hot or cold engine temperature. Generally She fely sluggish compared to before the breakdown. Returned her to the garage who can also now reproduce the fault after much longer test-drives >10 miles but there are no OBD error messages reported. They have been investigating methodically swapping various sensors and checking connections. The current "theories" are the earlier changes are somehow not consistent with my mapping or an Injector is in the early stages of failure. Hence why they wanted to talk to the Original Mapper which seems to be Twisted themselves. All informed opinions welcome on likely causes. Its coming up for 3 weeks and I am feeling less like a Landie owner. Cheers Mark |
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31st Mar 2015 4:01pm |
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| ken Member Since: 18 Aug 2009 Location: Banging Birds with my bitches !! Posts: 4328
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Personally stay away from Indies
I'd bite the bullet and return the vehicle to standard (remap wise) then go to a tuning specialist BAS (there are others  ) then get it tuned on a rolling road
Yes you have it tuned already but this way you know who did it |
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31st Mar 2015 4:27pm |
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| Supacat Member Since: 16 Oct 2012 Location: West Yorkshire Posts: 11018 
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Why the reluctance to return to Twisted?
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31st Mar 2015 5:05pm |
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| Snowy90 Member Since: 23 Feb 2015 Location: Surrey Posts: 482 
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Twisted are funny, I just wanted an invoice for my history file as the original owner didn't have a copy and although twisted confirmed they had done the remap, as opposed to the seller sticking some stickers on it, they wouldn't let me have it!
Still trying as I do like a good full history file. That said they still would talk to me so well worth giving them a call, doesn't sound like the remap to me though, sounds more like a general engine management issue MAF sensor or Throttle Body? Im no mechanic and I am sure someone with more of a lcue will be along asap |
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31st Mar 2015 5:21pm |
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| 5 POT Member Since: 24 Nov 2014 Location: UK Posts: 81
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Hi Mark,
That doesn't sound much fun! I am certainly no mechanic but to me the mapping shouldn't make a difference and wouldn't normally go wrong just like that as Snowy90 said. To me it is most likely injectors on their way out or something else. Strange that there are no OBD faults or is that because they have been cleared and havent come back up yet. Let me know how you get on. |
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31st Mar 2015 5:54pm |
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| consumerize Member Since: 27 May 2014 Location: Berkshire Posts: 121 
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Has it got a turbo boost box on it, maybe that's failling ? That could make it go into limp mode if it's overboosting.
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31st Mar 2015 7:23pm |
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| MarkyMark Member Since: 28 Oct 2014 Location: New Forest Hampshire Posts: 62
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Evening guys,
Thanks for the posts. I have no reluctance in talking to Twisted and found them surprisingly cooperative on another issue even though It was the previous Owner who was their customer. Since the upgrades were made in 2012 and the Landie ran faultlessly for the 7 months of my ownership Until recently. I am struggling to believe it's a pure mapping issue. I believe injectors are not cheap 
Cheers Mark |
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31st Mar 2015 7:23pm |
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| bga86 Member Since: 17 Jan 2014 Location: Here and there Posts: 205 
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Had a 110 in for exactly the same faults a few weeks ago, it had previously been to the dealer and had £1500 of parts fitted to no avail. After a bit of investigation I found the speedo transducer wires chafed through and shorting on the back of the hand brake drum about 6 inches back from the speedo plug. First thing to check and easily repairable diy with a soldering iron
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2nd Apr 2015 12:55pm |
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| MarkyMark Member Since: 28 Oct 2014 Location: New Forest Hampshire Posts: 62
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Cheers for the advice. I have asked the garage to check the cabling since they still have the vehicle.
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2nd Apr 2015 1:58pm |
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| MarkyMark Member Since: 28 Oct 2014 Location: New Forest Hampshire Posts: 62
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Also does anyone know the approx cost of an injector or having an Injector tested ?
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2nd Apr 2015 2:00pm |
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| MarkyMark Member Since: 28 Oct 2014 Location: New Forest Hampshire Posts: 62
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Speedo cabling is checked and fine. Moving on to the injector test and just been quoted £80 + vat
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2nd Apr 2015 3:58pm |
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