Question about 2004 Hyundai Elantra
I replaced my thermostat this morning and that fixed my overheating problem, however now the temperature gauge won't work and the check engine light is on. I took it to a mechanic and he ran an error check. It showed up as a "bad electrical connection."
I checked all the connections that I had disconnected and reconnected and they were all solid.
Yep!... take it back to the mechanic and tell him/her to recheck the system (there's no such DTC (Diagnostic Trouble Code) as "bad electrical connection"... somebody's pulling your leg!
Whenever the 'CHECK ENGINE' (Service Engine Soon) light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on.
You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code(s) which may have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE the problem and perhaps eventually fix the problem.
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
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