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TD5 running probs

9371 Views 23 Replies 5 Participants Last post by  scoobymick
Hello one and all,
I'm a Land Rover technician based in the UK,i originally found this site when i was searching the internet for anyone who had experienced running probs with TD5's.I know this is abit of a cheek but if anyone has any suggestions i would welcome them.The fault is a hesitation/holding back at 2k rpm at very light throttle,40mph 4th gear.I have done some 350 miles (roadtesting) in this car and it is getting worse.No electronic faults stored.I have substituted everything i can think of from ecu to turbo,i am currently fitting a new head as directed by LR technical but i'm unconvinced this will make any difference.I am stumped and so are they,any ideas?!
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Have you checked the throttle assembly being fly by wire there could be a duff spot on the potentiometer track that maybe doesn't show up in other gears ?
Just another thought but have all the injectors been programmed into the ecu as they go into a "default" mode until they have so I'm told, and microprocessors have a happy knack of getting their heads screwed up as we all know
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