The other day, my service engine soon light came on. :| I just got around to pulling the error codes out of the ecu, but im not totally sure what these mean. Help!

0704 - EVAP control system pressure sensor
0304 - Knock Sensor (does this mean its broken? i have never put premium in the max...)
0215 - EVAP canister vent control valve closed (thanks tht)

What do these mean? Are any of them self fixeable. or should i just bring it to the dealer? I dont have any mechanic skills to speak of... but im willing to learn. :P

 

0215 - EVAP canister vent control valve closed

Replace your knock sensor to get the 0304 to go away. It's a DIY job.

~THT

 

bump a;lskdjfalkjsdf

 

the nonpremium fuel sint what causes the knock sensor to "break" the knock sensor is there so that you can use non premium fuel, but itll retard the timing, thers no cause andeffect relationship between nonpremium fuel and premium, if yoru sensor isnt working, itll retard timing anyway to be onthe safe side,

 

fix the other things first before you go and buy a knock sensor. somethings like to trigger the knock sensor. dump premium fuel in that sucka