2003 Hyundai Sonata Q&A

2003 Hyundai Sonata Question: my speedometer occasionally drops to zero. while drivng on freeway

speedometer drops to zero mph while driving on frfeeway -
Answer 1
CK FOR CODES POSS SPEED SENSOR ISSUE -
Comment 1
how do i check for codes? -
Comment 2
go to auto zone and its free then post -
Comment 3
great..thanks..i ll go do that right now ok. i went to autozone and they said they dont test speed sensors, they test batteries,starters etc.. autozone then suggested that it was not the sensor because if it was, the 'check engine light" would have turned on and stay on. What shall I do now? -