P1491 Code EGR Valve Insufficient Lift Detected
What is the Honda P1491 Engine Code? The P1491 code in Honda vehicles refers to the EGR Valve Insufficient Lift Detected. This means the engine control module (ECM) or powertrain control module (PCM) has detected that the EGR valve position is not within the expected range. This can lead to engine performance issues, increased emissions,…