The car engine P2655 Code lets you know about the car engine problem. You need to fix the car engine issue and you should study the code meaning for solving the car engine problem. A service engine soon lamp will be illuminated because a code is stored in the PCM. Roughness at idle, poor engine performance, and choppy hurrying may also attend the service engine soon lamp. Abnormal voltage readings what depend more than 10-percent from position value should reason a error code to be stored and a malfunction lamp may be illumined. Do not choose any meaning of the code for solving the car engine problem.