P0235 Turbocharger Boost Sensor A Circuit Malfunction
So got this error after I took the EGR off for a clean - this was not my virgin attempt at cleaning the EGR - done many times.
As a bit of background:
Car is 2006 (totally standard - no blanking of EGR/no restrictor plate and no remap or tuning box)
Inlet manifold was changed last year because of rubbish swirls and swirls leaking.
Had boost problems previously and changed solenoid and then the turbo ingested itself and I have a new turbo on the car.
EGR was cleaned on Sunday because of a bit of hesitation at 2k revs when cruising. Also cleaned the MAP on Sunday whilst I was in there.
MCSF occurs at start up or at very LOW revs and P0235 is the only one that is stored - MCSF has NEVER occurred when hoofing it or at 3k revs. Plus turbo is new and has been on the car for a couple of months - why did I have to tinker with the EGR!?!?!