For Audi A3 A4 VW Golf Jetta MK6 Passat 06H127025Q 1.8 T ... (Alex Klein) Then you have come to the right place. Dealer first replaced high pressure fuel pump, which did not resolve issue. You're wondering how to properly replace a high pressure fuel pump on a gasoline engine?
Dealer first replaced high pressure fuel pump, which did not resolve issue.
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Beyond the problem with carbon buildup on the intake valves, the pressure regulator would fail, requiring pump replacement. Our technicians tell us that whenever the high pressure fuel pump is replaced the camshaft and the follower should be checked for wear. If you're lucky enough to have avoided camshaft wear, a cam follower and fuel pump replacement should get you back on the road.
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