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. ...
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I fully understand how the system works the leak at idle I'm talking about is when the pintal sticks open at idle caused by carbon build up or carbon in the seat causing the valve not to close anyway the op is trying to find out why the trans. wont go into high gear
