Always check fault codes.
Troubleshooting Chrysler Two-Digit Computer Fault Codes
Troubleshooting Chrysler Two-Digit Computer Fault Codes by Bob O'Neill and Bob Lincoln These pages helps to describe the fault codes for the Chrysler electronic fuel injection engine control units (ECU) for 2.2L and 2.5L engines (and, in many cases, V6 engines) from 1984 through 1994. You...
Did this just start happening, and was running OK before? Or is this a new acquisition? Does it do it when cold, hot or both?