OVERHEATING

MILEMAKER01

MEMBER
1993 HONDA DEL SOL

Engine overheats with no visible exterior leaks, there is a lot of white residue around the flange on the exhaust manifold, could the oxygen sensor cause this overheating or is this more serious problem

Saturday, October 25th, 2008 AT 7:30 AM

3 Replies

F4I_GUY

MECHANIC
3,302 POSTS

No, the oxygen sensor will not cause an overheat.

First thing I would check is to make sure you have enough coolant in the system and that is it PROPERLY BLED! I cannot stress how many times I have seen DIY'ers not properly bleed coolant and have their engine overheat.

Next check is your thermostat. With the car at operating temperature both rad hoses should feel about the same temperature.

Is your cooling fan coming on when its overheating? If not, then something is going on.

LMK and I can help.

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Thursday, November 27th, 2008 AT 5:48 PM

SARINADELSOL

MEMBER
1 POST

I’m having this same exact problem and I’m located in nyc - can’t find an honest mechanic to save my life! My 93 del sol is over heating the radiator fan isn’t kicking on, my dads down in south Florida he said it could be a lot of things but these mechanics are just ridiculous out here (northern bronx) my father thinks it’s the sensor, thermostat, fuse, I just don’t want to ruin my head gasket

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Monday, April 8th, 2019 AT 12:17 PM

KEN L

MASTER CERTIFIED MECHANIC
42,890 POSTS

It sounds like the fan motor is burned out. Here are two guides to help us see whats going on:

https://www.2carpros.com/articles/engine-overheating-or-running-hot

and

https://www.2carpros.com/articles/replace-electric-fan-motor

Please run down these guides and report back.

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Monday, April 8th, 2019 AT 12:42 PM