Some 2013 Acura RDX SUVs may intermittently illuminate the check engine light and store trouble code P3400 and/or P3497 in the PCM. One likely cause, reports Acura, is a sticking rocker arm oil ...
Overhead cams are a more efficient method of actuating the valves than with a pushrod, but someone in Detroit never got the memo. And thank goodness they didn't. With production pushrod mills turning ...