Two problems related to engine noise have been reported for the 2009 Acura TSX. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Acura TSX based on all problems reported for the 2009 TSX.
Engine making pinging sound around 1800-2500 rpm give or take while under any kind of acceleration. Vehicle is a manual transmission. It doesn't matter whether its warm or cold. Can be in any gear. Problem occurs most of the time. Vehicle is 5 months old.
I purchased a new 2009 Acura Tsx. Since I purchased the car, I have experienced a pinging in the engine. I took the vehicle to the dealer and had the mechanic drive with me to validate the problem. He acknowledged the pinging noise. The dealer advised me that they contacted Honda who gave their standard response of "it is a normal engine characteristic". Ironically enough the euro model of the Honda has the identical engine. Honda has acknowledged the problem with the vehicle there but continues to deny there is a problem here in the us. I paid $30,000 for a car that has a serious engine condition that will most likely result in serious engine damage over time. Ideally I would like to return the vehicle but Honda denying there is a problem is the first hurdle. Please advise me of my options.