Possible causes
– Intake Manifold Runner Control (IMRC) monitor signal shorted to power
– Faulty Intake Manifold Runner Control (IMRC) actuator
– Faulty Intake Manifold Runner Control (IMRC) solenoid
– Damage Powertrain Control Module (PCM)
– Blocked vacuum hoses
– Faulty Intake Manifold Runner Control (IMRC) actuator
– Faulty Intake Manifold Runner Control (IMRC) solenoid
– Damage Powertrain Control Module (PCM)
– Blocked vacuum hoses
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P2004 FORD Description
The P2004 is set when the Intake Manifold Runner Control (IMRC) is commanded closed by the Powertrain Control Module (PCM), but the IMRC indicates open.
FORD Technical Service Bulletins for P2004 code
2005 FORD MUSTANG ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
2006 FORD EXPLORER ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
2007 FORD EXPLORER SPORT TRAC ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
2005 FORD FOCUS ELECTRICAL SYSTEM
2005 FORD FOCUS ENGINE AND ENGINE COOLING:ENGINE