I ran diagnostics and it was a code 34. I reset my ecu and then ran my car, and then ran diagnostics again and it was a 55 which means all cool. I was just wondering, if the knock sensor comes up again, is it a malfunction? or is my timing starting to go off or what? what should i do as a precaution?

 

Knock sensor deterioration is a common problem with VE engines. It can cause hesistation and loss of power in the lower RPMS, especially when it is hot out. Sounds like yours is starting to die.

 

I sell knock sensors

 

have you checked your mpg? Usually that starts to go down, too.

 

ya, it feels like it is going down a little. should i advance my timing? because i only use premium,(i dont know if that matters in this case) or should i buy a new knock sensor?

 

replace the knock sensor, let it do it's job.
even if you only buy premium, you never know what the gas station is buying.
and look at the length of the gas hose from the pump to the nozzle, somehow I don't think that it's instantly filled with premium when the guy before you put in regular