LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

94 ls400 smoke from the two center vents

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Old 05-07-12, 02:04 PM
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1ciscokid
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Default 94 ls400 smoke from the two center vents

the other day i noticed lite smoke coming from the two center vents! didnt smell like fire! i turned the car off & restarted it.. still smoke! turned the a/c on smoke went away! any idea what could cause this?? thanks
Old 05-07-12, 03:05 PM
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BobN54
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Any coolant odor? Inside windows fog up easily? If so, that is a symptom of leaking heater core. If it occurs after AC is turned off, when it has been running for a good while, it can be a symptom of water vapor due to the coil icing up from an AC problem. If it is actually smoke and not vapor, I dunno!
Old 05-07-12, 03:11 PM
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the passenger side window has fog! even when the ac is off .. no odor!!
Old 05-09-12, 01:53 PM
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steve2006
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It sounds like your AC evaporator is freezing up, have you had the AC charge checked?
Also when was the last time you replaced the pollen filter?
Old 05-09-12, 06:13 PM
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python
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no cabin filter in a 94..sorry
Old 05-10-12, 09:57 AM
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never checked! i just got this car! its been sitting for 3yrs
Old 05-10-12, 12:45 PM
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steve2006
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Originally Posted by python
no cabin filter in a 94..sorry
Didn't realise all the 93-94 models didn't have them, mine does but it is a 94 JDM Celsior.
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