Senior Editor Mike Allen answers readers' car questions. Q: I backed my truck in to a white steel post (right rear quarter panel). It didnt really dent or scratch the truck, but it left about a foot ...

Does your street-driven car ping now when it didn't use to? It may be suffering from octane creep caused by deposit buildup inside the combustion chambers. New engines on the dyno and regularly ...

Q: I have a 2015 Chevy Colorado 3.6-liter V-6 with 45,000 miles that is serviced regularly and uses strictly Top Tier regular gas. When accelerating through second and third gears I regularly ...

Some 2010-13 XK models with 5.0-liter supercharged engines may produce a pinging noise under moderate acceleration or load. According to Jaguar, the detonation typically occurs in the 1,200 rpm to ...

I recently got asked about what "pinging" is, and what the difference is between pre-ignition and detonation, what causes it, and why it is bad for an engine. Basically, both pre-ignition and ...

America Honda Motor Co. reports that all 2009 Acura TSX vehicles, as well as 2010 models built from VIN JH4CU2…AC000001 through JH4CU2…AC009053, may develop an engine ping under moderate-to-heavy ...

Does your street-driven car ping now when it didn't use to? It may be suffering from octane creep caused by deposit buildup inside the combustion chambers. New engines on the dyno and regularly ...