Megane 225 6psi boost

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by RBMeglio, Jun 29, 2020.

  1. Hi everyone
    Seem to be having an issue with my 225 converted Clio.
    As per the title, I’m only getting 6psi of boost. Had the car on a code reader, came back with a p0235 fault which I understand to be a map sensor issue.
    Swapped both map sensors and N75 valve for known working ones, engine management light went off but made no difference, still 6 psi.
    Any ideas on what else I could try?
    the only other thing I could possibly think of is that the ecu is off a different car to the engine, and it had been mapped before fitting to my Clio, not sure if this would cause an issue?
    Any help would be much appreciated, running out of ideas
  2. Tex


    Boost leak?

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