2008 159 error code P0237
Recently bought a 58 plate 159 1.9 jtdm Lusso.
The car has had a replacement engine fitted with 47k miles and has been remapped and EGR blanked off.
The Check Engine light is on with code P0237(Turbo/Super Charger Boost Sensor "A" Circuit Low)
I have checked vacuum lines and found one with a hole at the boost valve. replaced line, cleared code and took it for a drive. Pulls like a jetfighter up until 4500 rpm then check engine light comes on and car goes into limp mode and same error returns.
Checked MAP sensor - that looked pretty beaten up. Dirty and plastic around the sensor was bent and actually touching the sensor. Cleaned it up and made sure the plastic surround didn't touch the sensor, but I guess it could still be bad.
Would a bad MAP sensor cause above behaviour?
Thanks in advance for your help.
Last edited by Rudolphus; 28-12-15 at 20:44.