I have a 2002 rsxcheck engine light is oncode p1166 presenti can clear code with scan tool nd as soon as vehicle is started the code sets. How to fix 2002 acura rsx check engine light p1167 hope you enjoy hope you enjoyed due to factors beyond the control of the auto surgeon it cannot . I think the code has something to do with either the air fuel ratio and heat sensor or the heater system itself anybody knows for sure or has ideas or . Ive an acura rsx type s engine fault code p1167 check volt in plug 50vdc that means the sensor needs to be answered by a verified auto mechanic