Intake manifold tuning (imt) valve stuck in high rpm position. When the pcm sends a close (long runner) command, no long runner return signal is. Webif you’ve noticed that your engine light is on or you’ve received a service engine soon warning, it’s important to understand what the fault code p1077 means. Webmar 8, 2022 · how to test and replace an intake manifold tuning, or imt valve. Webjun 14, 2024 · what is maintenance code p1077? It is triggered when the.
