Need Help?

2004 Hyundai Accent Base 3dr HB Coupe Manual

2004 Hyundai Accent
Trim Info:
Front Wheel Drive, 3 Dr Hatchback Cpe, Subcompact
29 mpg city / 33 mpg hwy
Other Trims
Do you own this car?
Estimated Mileage
Enter current mileage for most
accurate info about this vehicle

Track Your Service Records
Get Recall Alerts
Get Updated Value Estimates on Your Car.

back to question list

Ask the Community

Ask Our Auto Mechanics

December 23, 2012, 5:28 pm

Crystal M

Question: car running cold

i f you idle it will go up to about half but as soon as you get back out on the road it goes right back down to cold , i have changed the thermostat and the over flow for the rad is reading between the low and full the oil is NOT milky and there is no leaks around the heads please help

December 30, 2012, 5:18 pm

Elizabeth K

Make sure there is no air in the system and verify with a temperature probe that the temperature sending unit is accurate. The problem you're describing does sound like a thermostat, but you can test with an infrared temp gun to see if the thermostat is opening and if the temp sending unit is reading properly.

0/0 users found this helpful.

Ask our panel of certified auto mechanics a question. We pay for their advice so you don't have to

My Auto Score

See the free AutoCheck score

Meet The Experts
Kim Perrin
Kim Perrin is our resident mechanic here at DriverSide. Kim worked as…
Tyler Orr
Tyler Orr is an expert in German and Japanese cars and has been a mechanic …
Elizabeth Kriesten
Elizabeth Kriesten worked as an automotive technician for several years at Dodge…
Tips on Servicing

Car Brakes: How Do You Know When to Change Them?

By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. It goes without saying that these pieces wear out, but they do so slowly, meaning you may not notice they need attention until ...

Read more…