Tag: egr valve


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


Why Is My Check Engine Light On?

You’re driving along, minding your own business, and the check engine light suddenly pops up on the dash. You get a lump in your throat and your heart begins to...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


Emission Control Systems

The need to control the emissions from automobiles gave rise to the computerization of the automobile. Hydrocarbons, carbon monoxide and oxides of nitrogen are created during the combustion process and...Read more

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