Theegr valve on my mk4 golf 1.9 tdi keeps leaking oil out of the two small holes near the top. I’ve replaced it 3 times, this will now be the fourth. I keep buying second hand ones thinking they will be ok but they only last a couple of months at best before they start to leak oil in the exact
Onceyou know what’s causing the problem, you can get it fixed. Here are some of the most common fixes to the P0404 trouble code. Repair electrical short in circuit or ground. Clean EGR Valve or pipes. Replace EGR valve/sensor. Update/replace PCM. Repair intake leak. Replace MAF/MAP sensor.
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1.9 tdi egr valve leaking oil