P1078 code crv. 5v. Decided to get the check engine light read and it popped up P1078 which indicates an intake manifold issue but it could mean a number of things. Jan 26, 2026 · The P1078 code in your Honda CRV specifically refers to an issue with the “Intake Manifold Runner Control (IMRC) System Malfunction (Bank 1). ” This system is a crucial part of your engine’s ability to optimize air intake for different RPMs. The P1078 code indicates a fault in the Intake Manifold Runner Control (IMRC) system. But the price of doing the full diagnostic seemed a lil steep to me $200 (I'm in a ritzy area) and then they said after they figured out what exactly it could be it could range from anywhere between P1078 DTC P1078: IMRC System Malfunction (High rpm) Special Tools Required Vacuum pump/gauge, 0-3 in. 2002 Honda CR-V. This system uses actuators and vacuum lines to adjust airflow for optimal performance. Learn what Intake Manifold Runner Control System Malfunction High RPM means, location and how to repair. Hg A973X-041-XXXXX 1. qtpyti fjb xthldm jzxgr ewjle unei wnz hotdpfg ehh mdk