2003 Hyundai Elantra Q&A
2003 Hyundai Elantra Question: check engine light
there are over 1200 codes and guessing is not an option. go to a shop and have a free code pull then we can lead to the area of failure. Roy - mastertech6371
As Roy said, there are many codes a scan tool is required to retrieve codes stored in the computer in your car. Hyundai as a car manufacturer put a lot of free technical information and workshop manuals on line for Hyundai owners. Check out www.hmaservice.com lots of great information. - patrick mannion
...learn that the gasket had couldnt be bought a just any store so he close it after 10miles the check engine light came on it was the gas cap code so we checking the fuel pump and the car didnt have a fuel pum...
At 29000 miles Check Engine light came on. What could be possible problem?
...l not register. What needs to be done. Will get no response from a computer that reads it. no check engine lights or anything. Where would the connection be?
A failing vapor canister purge valve may cause the Check Engine Light to illuminate. This valve is part of the evaporative (EVAP) emission control system.
intermittent wont start ,,,has no check engine light when this occurs ,,,have replaced used ecm and new ignition switch in collumb