DEAR CAR TALK: I have a 1997 Dodge Dakota V8 with an automatic transmission that was rebuilt about 5,000 miles ago. Now when I drive it, it shifts fine for the first couple of miles, but once it warms ...

Code P0720 is one of the OBD codes that is activated when the Powertrain Control Module (PCM) detects erratic or insufficient input from the output shaft sensor (OSS). Such a code generally indicates ...