406oc.co.uk

hi all, after 500 miles of nice motoring limp mode is back with fault- turbo pressure too high. Tried to swop original file to ecu and back to defaped one, fault pops up after few miles again. Could it be pressure sensor on the top of intercooler? or something else? where should i start first? Many Thanks

A number of coupe HDi owners have had the same issue, (though I haven't). This problem was what let exboyracer to post the information I gave you the link to recently - the answer is in there and almost certainly relates to difficulty controlling the variable geometry turbo - can just be something else 'losing' the vacuum so there's not enough for the turbo control.

will try to look into that on sat, cheers

turns out to be cracked vacuum hose at swirl valve actuator the one which difficul to see, once again many thanks for guidance!!!

That's how we roll.

Can you really have a turbo pressure that is too high?

ToddM wrote:Can you really have a turbo pressure that is too high?

Yup and it will just go into Limp Mode,

Err ithink they call it Overboost, icouid be wrong tho,

lozz wrote:

ToddM wrote:Can you really have a turbo pressure that is too high?

Yup and it will just go into Limp Mode,

Err ithink they call it Overboost, icouid be wrong tho,

Was meant to be a joke, matey
Anyway, it's what angry-sounding squirrel mincers (Wastegates) are for

hey i didnt find the post of exboyracer can you post it maybe here or pin it to how to guide? maybe it can solve my problem with the turbo pressure to high after 4100.
thanks