Divorced mom of 3, works 60-hours a week. Her daughter’s car is a 2010 VW Tiguan, 120K miles, 2 years ago. Engine light recently came on and car started shaking. Towed to Brakes Plus (Marcus), $1,600 in repairs: manifold, spark plugs & coil. It is still shaking the same as it was before. Marcus now says it is probably the timing chain.