Question about 2003 Honda Civic

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2003 Honda Civic EX cabin fan doesn't put out air flow

Everything is fine on the car, but the cabin fan totally stopped working a couple of months ago. I've checked every fuse- that's not the problem. Any ideas?

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Check for loose wiring or blown fuse

Posted on Jan 06, 2009


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Why is my 2000 honda civic ex keep shutting off when it gets over 4000 rpms

After 14 years I think it would be reasonable to have bad catalytic converter. Is there some reason your not accepting this?

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2003 Honda civic ex, low idle or air flow issue causing shaking. I replaced the air flow sensor, replaced motor mounts, had a tune up down, flushed radiator, changed air filter and still cannot stop it...

I doubt the cat would cause this problem. It sounds like electrical to me. Did the tune-up include everything? I would first suspect a spark plug or wire. Then maybe look for idle adjustment.

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I have a 2003 Honda Civic and I have had overheating problems off and on. I had it checked by 3 different mechanics, none could find the problem. I've replaced the thermostat and "burped" the radiator. It...

overheating at idle , stop lights , slow moving traffic or hill work indicates a fan not working problem
if viscous fan hub drive off the water pump -replace the viscous hub r if electric fans check the coolant temp sensor , 2 fuses and fan relay and fan itself
of course you could have the fault codes read to see if there is a air/fuel mixture problem

Jul 30, 2017 | 2003 Honda Civic

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What could make my 03 civic ex overheat and cool down then overheat again while losing heat inside??? Already replaced radiator, water pump, thermostat.... motor

your heater has apparently restricted the coolant flow....hopefully a good system back flushing will cure the problem....use a flush obtained from a parts house....I would buy the hose kit for flushing as well...good luck to you

Mar 04, 2010 | 2003 Honda Civic

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Same as above

This is a normal condition...Heating up without air flow across the radiator is a common physics based reality.

What counts is whether your fans cycle on and off. if so, that is totally okay. Stated another way, there is actually little effect that you could have on this situation, aside from modifying something, but why do that, it is designed to work that way..


Sep 09, 2009 | 2003 Honda Civic

2 Answers

2002 civic ex overheating

with your description it sounds like your fans are not coming on, also sounds like the problem was never solved, sounds like you threw a lot of money at your problem also... check to see if the fans are coming on at the right times, seems like a n air movement over the radiator since you say it only gets hot in stop and go traffic... well when your driving at a constant highway speed guess what you have air movement through the radiator... check also a clogged ac condensor with bugs, pressure wash it out so the air can pass through it easily... please rate my help thanks

Aug 06, 2009 | 2003 Honda Civic

1 Answer

My 03 honda ex is overheating. It does not do it all of the time. I have changed the radiator cap, thermostat, and bottom radiator hose. I check the amount of radiator fluid daily. Sometimes I have to put...

you did not state whether or not your electric fan is coming on all the time, check to see if your fan is operating properly , check all fan switches and temp sensors that are in the fan circiut... also check to see if your bottom hose is not collasping, and one more thing also since you have had the system open, some systems operate in reverse flow and need to be bleed of air pockets, look for a bleeder screw around the thermostat housing or pump housing... please rate my help , thanks

Aug 05, 2009 | 2003 Honda Civic

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No heat. Fan blows cold air.

I think u may have an air temperature control blend door problem, the door is moved by a small electric motor, it is stuck in the cold position.

May 12, 2009 | 2000 Honda Accord

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03' Honda pilot front heat doesn't work as well

Check the air cabin filter located outside under the vent where the wipers are. Should be the passenger side. Probably dirty.

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