2003 Honda Civic heater works intermittantly

Tiny
DWERNER
  • 2003 HONDA CIVIC

2003 Honda Civic 4 cyl Front Wheel Drive Automatic 88000 miles

would a thermastat make the heater not work at stop lights heater hoses one very hot the other not so hot

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Tuesday, October 27th, 2009 AT 12:01 PM

1 Reply

Tiny
KHLOW2008
  • EXPERT
  • 41,975 POSTS

Hi dwerner,

Without the thermostat, the heater might not work correctly when the idling speed is low.

Check if the heater valve is opening correctly.

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Wednesday, October 28th, 2009 AT 12:34 PM

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