Hello, I’ve had the following problem for about a week. I started with the MKL about a week ago. I then read out and see da—> Error P0172 – mixture too fat <--------- have deleted the error, in the expectation it stays away then :-) then after 3 days it went back to ---> itself error. then deleted again and yesterday it went on again. What cause can this error have ?? Auto is nen: Cupra R 1M (209hp) Year 2003 Software optimized SUS installed K&N filter Da nke already for the answers. MFG