Get a scan done to check for trouble codes.
Ensure the fluid level is correct.
The 4th revving up could mean a pressure drop or certain solenoid is not working correctly. The scan might help on this.
For drive cycles, the computer needs to relearn after the battery is disconnected and a certain drive distance and time frame is required for it to be accurate. Try a 20 minutes drive on the highway and get back to city driving for a few minutes and then back on the highway for a few minutes and the dirve cycle should most probably be complete.
Saturday, July 16th, 2011 AT 12:04 PM