Tag: egr-valve-gasket


How to Test an O2 Sensor

Driving with a faulty O2 sensor may trigger the check engine light, cause performance problems, and eventually damage your catalytic converter. But how would you know if it is really...Read more

OBD-II Trouble Codes

P0404 Code: Exhaust Gas Recirculation Circuit Range/Performance Problem

OBD-II codes make it easier to find out what’s wrong with your car—but there are over a thousand codes, which makes it impossible to memorize their meanings and workarounds. Without...Read more

OBD-II Trouble Codes

P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected

The error code P0401 is one of the 20 most common OBD-II codes faced by a lot of car owners, although it can be more prevalent in certain makes, such...Read more

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