In this video, we are working on a 2004 VW TDI with a cylinder 1 misfire and it has a check engine light on with a stored code P0301 P0302 P0304 P0305. After diagnosing the car and removing the valve cover we found the cylinder 1 camshaft lobe was completely worn done and the camshaft follower was almost worn through.
Also after further inspection, we found that all the camshaft bearing was bad.
After replacing the camshaft, bearing, and cam followers the misfire was gone a VW was running well again.
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