One problem related to crankcase (pcv) has been reported for the 2003 Chrysler 300M. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chrysler 300M based on all problems reported for the 2003 300M.
Consumer states that when merging onto the highway, vehicle drastically loses power. Dealer diagnosed that the crank case is out of line with the camshaft.