Can bad EGR cause trnsmission problems?
I have the MH listed in my signature i.e. Chevy 454 P series with I believe the 4L80E transmission. Recently experienced problem with not shifting into overdrive and intermittent Check Engine light. ...
Forum Discussion
Does engine come up to normal operating temperature? Some have the EGR as well as overdrive locked out until engine comes up to near normal operating temperature.
