 | Home > Technical > 77k 2.4 lost power, back after Ign cycle |
 
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| ickle Member Since: 22 Jul 2010 Location: South Vendee Posts: 1728   
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Variable vanes in turbo stuck. Mine did it, got more regular and eventually we could reset whilst driving.
I swapped a new turbo in, but have read somewhere that a cleaner spray via the inlet will work. Wait until it happens again, without stopping engine, open bonnet and get someone to rev it and watch for actuator moving, if it doesn't its the vanes, if it does, back to the usual VCV. etc Good luck Keith |
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29th Dec 2018 10:14pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683 
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thank you Keith.
The vehicle in question is worked hard weekly towing so if its is the vanes i would be surprised as the truck get opened up regularly but will check as you suggest. VCV was done last month for irratic idle. this is first motorway run since VCV change though. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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29th Dec 2018 10:26pm |
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| ickle Member Since: 22 Jul 2010 Location: South Vendee Posts: 1728
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Mine too, lots of local towing with no problem, started happening on long trips, between here and Portsmouth, St Malo & Lucon, sometimes all OK to as often as every 5 miles & usually after long steady throttle position, then putting your foot down for a hill.
I saw a YouTube with a Disco 3 with similar fault, IIRC dropped the air filter out and sprayed a can of something in and then all was good! |
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29th Dec 2018 10:43pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683
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Thank you for feedback, will check it out. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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30th Dec 2018 9:33am |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683
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Don't suppose anyone knows what those dtc mean? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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30th Dec 2018 10:01am |
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| John64 Member Since: 10 Sep 2018 Location: Tayport Posts: 38  
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Mine also did this and eventually found it to be sticky turbo vanes, not all the time just now and again. Had it down to a fine art of switching off and restarting without slowing down too much.
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1st Jan 2019 12:40pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683
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 , thats not great, so with the sticky vane thing was it always after a period of high boost? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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1st Jan 2019 2:35pm |
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| John64 Member Since: 10 Sep 2018 Location: Tayport Posts: 38
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Yes it was usually trundling along fine, let off throttle a bit power back on and it died off. Switch off then on again and was fine. Reading codes showed as turbo underboost. Eventually took arm off turbo actuator and found it as sticky on last wee bit of travel. Spent some time moving it up and down to free off then stuck a bottle of turbo cleaner in tank and it’s been fine ever since.
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1st Jan 2019 2:54pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683
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i will take a look at the arm.
turbo cleaner? Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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1st Jan 2019 6:08pm |
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| John64 Member Since: 10 Sep 2018 Location: Tayport Posts: 38
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Turbo cleaner..... Iris just the stuff you add a bottle of to your fuel various makes STP, Wynn’s, Forte etc. About a tenner a bottle and you add to a full tank of diesel. It is meant to clean off carbon on turbo vanes etc.
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1st Jan 2019 6:57pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7683
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So after 1.5k miles it's just done it again.
I tried a fuel additive but I don't see how adding it to the fuel cleans the turbo inlet vanes. Anyway, next idea, something through the air intake to clean it, Any recommendations ? Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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20th Mar 2019 10:40pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19568 
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You might want to ask Opie Oils as they have a lot of know how and likely the products and aren’t going to try and sell cheapo products. Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
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20th Mar 2019 11:47pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5417 
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I didn’t think the turbo was a variable vane turbo!!
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21st Mar 2019 12:15am |
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| NAS90 Member Since: 26 Sep 2018 Location: Norfolk Posts: 45
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Sounds like it could be fuel contamination.
The Puma is prone to having a build up of organic material in the fuel tank that collects together to make what looks like cat poo which blocks the fuel pick up, limiting fuel flow. When you turn off the engine the pump stops and the blockage floats away so when you restart the engine runs properly for a bit until the pick up sucks in the obstruction again. We've had this on two of our Pumas, it is a tank out job to clean out. The second one started to happen on a long trip, managed to reset it half a dozen times, but eventually the pump sucked up some that got stuck in the inlet and wouldn't clear to it was a recovery job. Is there such a thing as too many Defenders?.... NAS90 Soft Top, 50th Anniversary, Spectre 110 Puma, Ex Italian Police 90 with JE V8 Auto |
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22nd Mar 2019 10:53am |
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