Originally Posted by Dale_K

I have a 2012 with manual trans and I notice light pinging when the engine is under a minor load at less than 2000 rpm. It's not continuous - to me it acts like the knock sensor pulls timing when it detects the pinging. I think it's acting normally, as designed. I've noticed it happening more in the warm weather and as I accumulate more miles. I wish it didn't do it but I'm not overly worried.

Originally Posted by bigflatdaddy

Probably the oil draining out of the hydraulic lifters overnight. It shouldn't be a problem. My 2012 does it too.