The engine P1867 Code supports the automobile engineer to fix the car engine problem. The engine code is found if you test the car engine by engine code reader. This is an expensive machine and you will get the machine in the automobile repair center. The meaning of the code is important to know to understand about the problem and fix the car engine. The general or automobile dictionary meaning of the code is p for Powertrain Code Problem is related engine, transmission and emissions systems. 1 for MFG – Manufacturer Specific. 8 for Ignition System Or Misfire. 6 for Control Module Throttle Actuator Position Performance and 7 for Cruise Inhibit Control Circuit.