White SMOKE!!! - Kia Forum
 
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post #1 of 7 (permalink) Old 06-12-2008, 09:48 PM Thread Starter
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Default White SMOKE!!!

Recently my 2000 Automatic Kia Sephia LS started to pour our white smoke from the tail pipe. I would say that the car is done for, but the smoke smells like a HEAVY concentration of gas. With the rise of this problem acceleration drastically fell, and it seemed like it was misfiring. Being the cost conscious college student I am I ran to auto zone and had them pull up the codes because my cel stays on.

The following codes showed up:
P0171 P0204 P0326 P0460

I was advised to change out the plugs, which I did. Replaced them with Auto Zones Duralast Wire Sets for 30 bucks. I've been told by a few people that there could be 3 reasons why this is hapening if my coils wires, and plugs are fine.

1) Knock Sensor & PCSV-
2) MAFS
3) TPS

Any help would be appreciated greatly
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post #2 of 7 (permalink) Old 06-13-2008, 12:18 AM
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Not sure if this helps but If I remember white smoke means you could be burning coolant. Getting in the cylinder. You could see if there is oil in your radiator or overflow tank floating specks. Also how does it smell...sweet chemical?
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post #3 of 7 (permalink) Old 06-13-2008, 12:57 AM Thread Starter
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Everything with the fluid is fine. I drained it just to make sure. It's just super saturated exhaust smoke of gas.
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post #4 of 7 (permalink) Old 06-13-2008, 02:41 AM
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best way to tell is if the oil cap has a creamy white paste to it or if you look inside the hole. If it does its probully a head gasket gone. A P0171 code is a MAF sensor. I would try to clean that if not replace. Maybe pick it up from a scrap yard. But first look at the air intake hose see if there is any cracks in it or rips. A P0204 - Injector Circuit Open Cylinder 4 would cause the acceleration problem remove the wiring harness that goes to the injectors clean them and put it back. If you still have the problem you well have to replace the injector. If it is a defaulty injector that is stuck open then it would cause it to run rich which would give you white smoke. A P0460 - Fuel Level Sensor A Circuit Malfunction is the least of your problems right know. A P0326 - Knock Sensor 1 Circuit Range/ Performance (Bank 1) when was the last time you did a oil change? I had that once in one of my old cars i didn't care about and once i changed the oil that code went away.
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post #5 of 7 (permalink) Old 06-13-2008, 09:16 PM
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white smoke=burning oil
black smoke=running rich

how many miles are on your car?

"One who is slack in his work is brother to one who destroys."
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post #6 of 7 (permalink) Old 06-13-2008, 09:50 PM Thread Starter
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113,000 original engine and transmission.

And Now the CEL is flashing
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post #7 of 7 (permalink) Old 06-14-2008, 12:46 AM
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113,000 shouldn't be time for an overhaul yet so i'd bet it's a head gasket most likely.

"One who is slack in his work is brother to one who destroys."
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