jc07030 Posted April 20 Share Posted April 20 Audi A3 2.0 TDI CRLB engine. Had injectors removed and took a chance to look in cylinder walls with a camera. All 4 of them look like in the picture and video. Why would there be vertical and horizontal score marks? This can't be normal? 20240419120956072.mp4 Quote Link to comment Share on other sites More sharing options...
Stevey Y Posted April 20 Share Posted April 20 Hi the horizontal lines I would say are honing marks [normal] the vertical marks are not and a sign of oil starvation or cracked piston rings. Steve. Quote Link to comment Share on other sites More sharing options...
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