Question about 2001 Kia Sephia

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My 2001 kia sephia starts but is missing badly

I was driving down the road and all of a sudden it started smoking bad and lost all power to drive but it idled somewhat. I cranked it back up and drove it for a while then it started back running fine. changed the spark plus, engine coil and wires, fuel filter also. It is still miss fireing on plugs 1 and 3. my muffler seem to be down a bit also now blowing out white foggy smoke.it dont runn hot and the oil is not milky. water is still ok green.

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  • big dogg Feb 16, 2012

    and also replaced wire connection to ciols. still missing bad. when i was going down the road the car was spitting out gas from the tail pipe sort of smelt like deisel.white smoke.then it stoped and drove good so i went home and changed the plugs and it started missing again.

  • big dogg Feb 16, 2012

    It cranks when i put it in drive it starts jumping like it going to die. the muffler looks like it has broke off of it holder under the car it kind of dragging low to the ground but not touching it. its low tho.

  • big dogg Feb 16, 2012

    I have done spunt 140 coils, 27 wire harnes, 25 wires, 10 plugs, 100 going back an forth to get parts. 7 fuel filter. the time it has taken me to install all of this priceless. and still not running right. Now im going to check out my muffler today. Man what a mess ill respond back about 7 30 tonight.

  • yadayada
    yadayada Feb 16, 2012

    What is the question here.

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1 Answer

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  • Kia Master
  • 975 Answers

Sounds like a bad coil pack 1 and 3,if you change it and it's no help,see if you can find the vacuum hose that goes to the fuel pressure regulator, ,if there if fuel in the hose ,it's bad

Posted on Feb 16, 2012

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  • 273 Answers

SOURCE: My 1999 Kia Sephia is

Probably around 50-200 dollars depending on what you need. If worst comes to worst it could be up too even 400 dollars. Hope this helps, James Booth

Posted on May 17, 2011

Testimonial: "Awesome! Thanks! Normally I have to go a round about way to get a straight forward answer. "

mosthated357
  • 91 Answers

SOURCE: 2000 Kia Sephia

it is the catalytic converter my answwer is 100 percent sure the catalytic converter gets clogged and does all of those also i have 1 same thing trust me

thanks,
Steve

Posted on Feb 11, 2009

  • 128 Answers

SOURCE: 97 kia sephia smokes when first starts, smells

Black smoke is fuel.
Blue is oil.
White is coolant / water.

Fuel is caused by timing and cold start system and requires some discussion to clarify.

Oil burning only on start is caused by failing rings on your cylinders. Oil then enters the combustion chambers and burns when you start the engine. If it continues to burn when running in particular when you accelerate it will also indicate ring/cylinder failure. It can also be from a failing head gasket where oil travels from the lubrication system into the combustion chamber. Some of the anti smoke additives available at the auto supply store do help.

I doubt you are seeing white as you say is smells like exhaust. White is coolant in the combustion chamber or exhaust system.


Hope this helps you.

Posted on Mar 11, 2010

  • 306 Answers

SOURCE: kia spectra 2002, smoke is kuming ot of muffler

White smoke is water. Blue smoke is oil. Black smoke is excessive fuel.

Posted on May 11, 2010

franktilt
  • 403 Answers

SOURCE: what kind of muffler should I put on my 1999 kia

it depends go to any brake and exhaust shop around they will tell you and let you know what the installation cost is.

Posted on May 31, 2010

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