Question about 2004 Hyundai Elantra
Un-hook one cable from your battery and leave it off for at least 20 minutes then hook it back up. That re-boots the computer. If the light comes back on then you have an actual problem not just a spurious code set. Take it to Advance Auto parts and they will read out the computer error codes for you and that will tell you what the computer thinks the problem is. Of course you may have to re-set your radio stations.
Posted on Sep 03, 2010
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Posted on Jan 02, 2017
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