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HI, I just bought a 2000 sephia and when accelerating it has no power, and bogs down like to much or not enogh fuel? It surges on acceleration. any Ideas?
I am going to put a fuel pump in it and see what happens.
 

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2015 Buick Verano "Leather Group", 2015 Kia Optima Hybrid
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Originally posted by mhansen644@Feb 28 2005, 11:07 PM
HI, I just bought a 2000 sephia and when accelerating it has no power, and bogs down like to much or not enogh fuel? It surges on acceleration. any Ideas?
I am going to put a fuel pump in it and see what happens.
is the Check engine light blinking?
if so plug wires and coils and plugs chage em.



 

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2015 Buick Verano "Leather Group", 2015 Kia Optima Hybrid
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Originally posted by unicc@Mar 2 2005, 04:37 AM
So sorry...there is some control on the website naming.....www.kia.com...check this out.
[post=]Quoted post[/post]​
unic the us version is not a 1.6L its a 1.8L



 

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check or change plugs and wires like 1fastkia suggested, check air filter and pipes. Check exaust pipes for any bends or folds and check up muffler for any forign objects. Also try cleaning battery contacts (and while your at it, disenguage the negitive battery cable for 5 to 15 minutes to reset the computer) and put it back on to see if any of that helps. Also try any fuel injector cleaners.
 

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Hey.

Had a similar problem. Car was losing power, surging, etc. One of the plugs' was cracked pretty severely, almost disintegrated. Vacuum'ed out the compartment before removing it to prevent debris from falling in. Imagine the mess THAT would make, eh?

Anyway.. Replaced the plugs. Surging has calmed, but now in idle it's sputtering - and still has zero power in gear. Can see the exhaust coming out in puff-puff-puff fashion, engine is bouncing, etc.

Would this be the coils? Or what's the next step?

Any ideas/thoughts awesomely appreciated.
 

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I would do the following in this order. Go to the next step if the current action has no effect.

1. Clean the inside of your spark plug wires with 409 and then apply diectric lube to the inside of the spark plug wires.

2. Replace the spark plug wires

3. Replace the coils.

4. Shoot the car.
 
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