Originally Posted by
oldford
You have 4 different codes for 1 part - the Intake Valve Control Solenoid Circuit. Sometimes it's too low, some times high.
I was thinking electrical myself, is the intake valve control solenoid otherwise known as the boost solenoid, as part looks the same?
on another forum a thread has the same codes and traced it to oil temp sensor on oil filter housing, changed housing and all ok.