20 Most Recent 2006 Peugeot 307 CC - Page 9 Questions & Answers

You have to connect you car to a diagnosis machine or you can buy a obd2 cable for around $20 on ebay and diagnose yourself. Its probably something related to a specific sensor or a couple of sensors, i.e. catalytic failure shows an error with the catalyser sensors, showing a code like 0420, then you can look it up online on what does that code mean and what you can do to prevent it from showing.