Okay.. So about 2 weeks ago, my Service engine soon light came on..
I took it to auto zone and read the codes. There were 5!
P1078
P0442
P1084 Pending
P1078 Pending
P0442 Pending.
Not really sure what the pending means...
But yesterday, the light went off and hasn't turned back on.. Am I all set? Could there still be a problem?

 

did they come on randomly, or after a mod?

 

No I actually just bought the car. About 5 days after driving it, it came on...

 

oohh year, model? new, used? dealer, or private?

 

05 G35 54K miles. Private.

 

those are EVAP / Emission codes

I would take your car to a shop and have them check out the codes for you.

If you dont know where to begin emission controls can cost a lot of money if you try to just replace parts.

I would spend the $100 at a shop so they would tell me what was going on

 

Even though the light went off?

 

Was it just a loose gas cap? Not sure if these cars have a specific code for it, but it could cause evap to trigger with loss of pressure in the gas tank.

 

^ P0442 means a leak so it could be it, when I had my gas loose I got a