I am posting this for my wife who bought a 2014 Spark 1LT earlier this month. She drove off the lot with 5 miles on it and about 4-5 days later the check engine light came on. Took it to the dealership and it was P0324 Engine Knock Sensor Malfunction or something along those line came up. They said to check the gas cap. Did that. ( I thought that it would have been more an EVAP code for a gas cap). It stayed on. Took it in and they cleared the code and tightened the gas cap too. Took it back and they had it for about a week to replace the engine knock sensor. We got it back on Wednesday this w
