The P2004 diagnostic trouble code indicates that the intake manifold runner control (IMRC) is stuck in the open position on Bank 1. The Powertrain Control Module (PCM) provides the IMRC with information relating to current driving conditions, and the IMRC uses this information to regulate the amount of airflow that is permitted into the intake
The third character may be a number or another letter and denotes which car system has a malfunction: 1 - Fuel or air metering system codes. 2 - Fuel or air metering injection system codes. 3 - Ignition system codes. 4 - Emissions system codes. 5 - Vehicle speed controls and idle control system codes. 6 - Computer output circuit. This code indicates a problem with the the throttle control system which is a vital system to the speed of any vehicle. If this system were without any failsafes, a failure in the system would pose significant danger to the occupants and any bystanders. For this reason, if this code is set, the vehicle will usually lack a significant amount of Check both sides of the connector - harness and component side. Typically if there is no corrosion you replace harness, if there is corrosion, you replace the corroded side - harness or pump module. Don't use dielectric grease as tempting as it is. Connect everything clean and dry. 6.7L Power Stroke Diesel - 2019 F350 Code P208C - Hi everyone . 379 123 255 241 194 106 451 341