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Car acts like it want to run hot with air cond. On.

Tiny
CW4562
  • MEMBER
  • 1994 MAZDA MIATA
  • MANUAL
  • 217,340 MILES
I recently had the heater hose replaced and I had fan replaced. However when I'm driving the car with the air conditioner on it looks like it wants to run hot right, but when I turn the air off, the temp needle goes back to normal. I don't have a problem as long as I don't turn the air on. The air blows when on and seems to cool. Could this be a thermostat or a fuse problem?
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Monday, May 18th, 2015 AT 2:11 PM

2 Replies

Tiny
CATAFINA
  • MECHANIC
  • 167 POSTS
Check if the condenser fan is coming On
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Monday, May 18th, 2015 AT 2:30 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Besides checking condenser fan for operation which only should come on when a/c is on when hot check rad for cold spots with engine off if you feel any then the rad is bad
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Tuesday, May 19th, 2015 AT 9:32 AM

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