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talby2491

at wits end

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hi all i have a x reg td5 discovery auto which really lacks power until the turbo kicks in at about 2500 rpm ive changed the injector rail  mass air flow sensor the waste gate actuator and removed the egr valve but all to no avail ive also replaced both air and fuel filter truck starts and ticks over fine its just the lack of power when moving off anyone else had this problem if so how did you rectify it i know it aint ever going to be an f1 on take off but its just shocking thanks in advance 

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Try getting a remap. TD5s react well to them and they make a substantial difference. As your's is an early model, it might need a chip soldering rather than just a software remap. 

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Before any remap, ensure the truck is running properly first!

Have you had any diagnostics done?

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Hi, My turbo doesn't seem to kick in till the same as your. I think it's normal as mine's not been re-mapped and is a manual.

Griff

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I agree Bear.  Had my TD5 for 13 years.  Reckon mine starts to really work at just over 2200 rpm.  Isn't this just a characteristic of the vehicle?  I.e. The engine need to be doing work to make the turbo spin to blow air into the engine?

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What Bowie said, get it checked on a diagnostic first - remapping a malfunctioning engine is like fitting a boost pin; pointless

An 'X' reg TD5 is old; it's been owned by a fair few folk, who have progressively spent less and less on maintenance until you bought it. so get it back to spec. Also, it's worth noting that the TD5 auto in standard form is a bit of a slug.

I'd suggest a de cat as well as what you have done. Also check the fuel pump and fuel regulator are functioning properly

Then when it's functioning A Ok, take it to IRB and get it tweaked

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Hi guys,

I have a 2001 td5 manual, It maybe the way I drive but mine seems to kick in around 1500 to 2000 rpm, way before yours. Is that normal or is it me?

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 2000 ish on mine as well. I  stall it if I forget and think I'm driving the 200 or 300tdi which both start to power up at lower revs.

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Yeah,

You really have to change up and down the gears to make sure the revs don't drop too much. I probably should have got an auto.

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