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internal88, Technician
Category: Hyundai
Satisfied Customers: 2595
Experience:  Over 10 years in the Import Auto industry. Engineering background and diagnostic is my specialty.
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Out of no where the check engine light comes on ,stops

Customer Question

out of no where the check engine light comes on ,stops shifting, idle is crazy high burns stupid crazy gas
JA: Does the light stay on, or does it blink?
Customer: stays on
JA: What is the model/year of your Hyundai?
Customer: 2002 elantra
JA: Are you fixing your Elantra yourself? What have you tried so far?
Customer: throttle body cleaner
JA: Anything else you want the mechanic to know before I connect you?
Customer: it makes a loud rumble sound by my feet almost like a bad muffler
Submitted: 11 months ago.
Category: Hyundai
Expert:  internal88 replied 11 months ago.

Hello, I'm Brandon - Hyundai tech.

First you will need to scan the vehicle's OBD2 port with a scanner. This is the only proper way to find out what is wrong. You could go to your local autozone to get the scanner.

The scanner is about $75.

Please let me know the result then I could help you out.