Intermittent overheating when idling?

1999 HONDA CIVIC

255,000 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC

CALDERON GEORGE

MEMBER
1 POST

Hello, my car listed above EX overheats when I come to an Idle, but not all the time. Once I give it gas it starts to cool down. It has a new cap, hoses and thermostat. Thanks in advance.

Nov 1, 2022 at 6:35 AM

JACOBANDNICKOLAS

✓Experienced Mechanic
110,240 POSTS

Hi,

If it is only happening when in stop and go traffic and at an idle, chances are the radiator cooling fan isn't turning on when a specific temperature is reached.

Have you noticed if the cooling fan turns on when it starts getting too hot? Also, do you hear the fan turn on when the A/C is turned on?

If you don't hear them running when needed, I need you to check two fuses and two relays.

If you look below, pic 1 shows the location of the fuse/relay box you will be inspecting. The second pic shows the fuses and relays to check.

Here are two links to help you do this:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Keep in mind, when you check the fuses, if they are good, it is important to confirm there is power to and from them.

Let me know what you find.

Take care,

Joe

See pics below.

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Nov 1, 2022 at 1:02 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.