1999 5.2 Dodge, engage in drive, fine in 1st gear, but slips out instead of shifting to second gear.
I had this problem before after I changed out the transmission filter and forgot to put the small gasket that went between the filter and the valve body. How is your fluid level, a low level will also give you this symptom, almost like the trans is in neutral.
fluid is above full.
Search Dodge Ram 1500 Questions
Dodge Ram 1500 Experts