Having problems with your 2006 Volkswagen GTI ?
Muli cylindar misfire all cylindars check engine light is on codes po300 p0301 p0303 p0304
Most of the time this means poor fuel pressure,change the fuel filter,if this does not cure the problem,have the fuel pressure checked,to see if it is up to par,if it is not,replace the fuel pump.
Repair Help & Product Troubleshooting for 2006 Volkswagen GTI
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