Fuel cut-off/surging when accelerating. Engine is not throwing any engine codes; however, a loss of power is present when accelerating. This occurs every time I try to accelerate. This is a known issue with the cam follower and high pressure fuel pump on all 2.0t fsi motors from audi and vw. My cam follower has a hole in it (have the part) and the hpfp is worn down because it has made contact with the cam lobe, which has been scarred. Replacement requires a new cam, hpfp and cam follower. The design however will require constant inspection of the cam follower to avoid major engine failure. All 2.0 t fsi engines will experience this problem. Audi has a tsb #2013147/4 dated june 18, 2007 that warns of this problem upon cel light being shown. My car never showed the cel light; however, had the other symptoms described and upon further inspection had a hole in the cam follower, with severe damage to the cam and hpfp.
2007 Audi A4 fuel system complaints
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