Well after neraly 800 miles last weekend between work andthe coupe git home.. but only with a few problems
fault code 1106... now that usually means MAP sensor.
replaced and still getting same issue.
done some digging and the usual list of suspects appear on it..
BCS front and back,
EARTH mod on bost wires???? ( see this post )
Field Remedy: 2006
Subject: Engine Z20LET - Trouble Code P1106 stored in ECU
Models: Engines: Option:
Astra-G 2001...2005,Astra-G Coupe 2001...2005,Astra-G Cabrio 2001...2005,Zafira 2001...2005 Z20LET,Z20LET,Z20LET,Z20LET
Complaint: MIL telltale illuminates and TC P1106 (boot pressure sensor circuit) is stored in ECU.
Cause: Poor crimped earth connection in wiring harness fuel injection.
In case of customer complaint remove the existing earth connection and replace it. Dismantle the wiring harness fuel injection, see picture I.
Cut out the existing earth connection. Dismantle 4 x earth cable, crimp see picture II, 1 and attach shrink hose, see picture II, 2.
Note: Use special tool MKM-923-32 for the new crimp connection.
Use insulating tape to close the wiring harness fuel injection.
Spare-Parts: Part-No.: Catalogue-No.:
Shrink (package 50 pieces) 90543875 12 86 666
Crimp (package 100 pieces) 90543865 12 86 663
FunctionalGroup: J - Engine
Complaint Group: 06 - Failure Code Setting by Control Unit
Trouble Code: P1106