In the sooner illustration of a P0401 hassle code, further investigation reveals an oxygen sensor heater circuit malfunction in lender a person sensor two. A malfunctioning heater aspect could result in this, or it could be an issue Using the wiring. Refer a friend to get a $10 off http://deantrmfy.blog-mall.com/7823567/little-known-facts-about-car-code-reader