Quote:
Originally Posted by mayhem44
I recently added a secret weapon intake to my 2003 Hyundai sonata and while testing the performance on the freeway the check engine light came on.I did push the car was going about 120 at 3000rpms. My car is an auto/4speed tran it ran fine the rest of the way home but i disconnected the battery to reset everything.The light went off after that should i still worry?Thanks for any help givin.
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you should never disconnect your battery before pulling codes. when you reset everything if something is wrong you have to wait until that system finishes its trip cycle before it will send a code again and if it is the evap system that can be a hole tank of gas. better to know first