How To Clean EGR Valve (Also a Fix For P0401)

UPDATE!!


If you came to this page because of fault/trouble codes you retrieved from a diagnostic tool you may find our iPhone/iPad or Android App useful.
Not only does it give you 'Fault Descriptions' but also gives you 
Possible Causes!! 


 Check it out on the App Store or Play Store!! 















Clean EGR Valve


A common question I see come up in the forums is 'How to clean a EGR