Won't Shift into 4th
Won't Shift into 4th My car has had an issue for the past several days with missing. I changed the plugs in the car and it is running pretty good. The issue is now the car doesn't want to shift into 4th gear whether on the highway at 70 mph or cruising around town at 45 mph. Transmission is stock 4L60E. What do I need to do?
Last edited by Formulals187; Mar 28, 2010 at 12:41 PM.
It has not been tuned yet, but it does have a trans cooler on it and typically doesn't run anywhere over 150 degrees. I believe it is a billet series converter.
I honestly don't know what it is but it is running about 300 or 400 rpms higher than it should on either the street 40-50mph or highway 70mph.
I honestly don't know what it is but it is running about 300 or 400 rpms higher than it should on either the street 40-50mph or highway 70mph.
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