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Discussion Starter #1
Okay, after an uneventful August (no trips to dealership), my CEL just came on again. This time it's P0134.

Not much power (never did get fixed right despite 6 trips to dealer this summer, but at least it is useable...)

What is P0134? I have 76,000 on this POS and don't know what to do.
 

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Discussion Starter #3
Yeah, I looked that part up. I also looked up the sensor location and looked at it in the car. The wire is still on it and secure.

Shouldn't it be running really rough or something.

I know the dealer will tell me that the sensor needs replaced (since they LOVE to replace stuff that doesn't fix the problem...) Does it? Is it yet another wiring problem?
 

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It could be a bad O2 sensor or it could be a wiring issue. The diagnostic procedures tell to check for wiring issues first before assuming the sensor is bad. If you want the diagnostic info send me an e-mail at [email protected].
 

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Discussion Starter #5
Funny -- here I am, still driving this POS. Found a mechanic who gave it a good once-over. Guess what? I have a freaking air filter. WHO KNEW? The dealer oil-change dude told me that Kia's don't have filters, they have some ionic element thingy that never needs changed -- I believed that one (3 yrs ago) and have never had an air filter changed and never had it suggested to me. Got it changed a month or so ago (with a tune up) and car was running fine.

Yesterday, I popped the P0134 code again and was told that the O2 sensor with parts and labor would be $290 at the dealer, $325 at the garage across from my office (and I'm still waiting on a quote from the little country garage that told me I had a freaking air filter.) The car is running fine, but I smell gas - so I guess it's running rich??? How much should this stupid sensor run????
 

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1998 Kia Sportage
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Chances are the O2 sensor says its running rich because for those 1 1/2 or 2 years your air filter was clogged up it was pouring the gas to the motor without any air to help it burn. So yeah, the oxygen sensor should be replaced and Ill bet thats what your problem is, seeing as how its prolly buried an inch thick in soot by now, lol. And besides, I think your supposed to change your O2 sensor every 60,000 miles. Im still laughing about the part where they told you it had some kind of Ionic filter on it, lol, its a Kia, built by Kia... not NASA :lol: And you could actually change it yourself with a wrench and um... thats it, haha. You just need to know which one is the problem. I think there was an earlier post that said "Bank 1, Sensor 1" so that would mean that its the first one, the one before the cat. Which makes sense since it would be the one to take all the brunt from an overly rich fuel/air mixture (Or 99% fuel, .5% Air, and .5% KIA POWER:D). The O2 sensor would cost about 80 dollars or so
 

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2000 Kia Sportage EX 4x4 auto
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the O2 SENSOR should be about $120 at your local parts store and takes about 10 minutes to install.
 

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Discussion Starter #8
TAKES 10 MINUTES -- AND APPARENTLY BREAKS THE EXHAUST MANIFOLD WHEN IT IS REPLACED (OF COURSE THEY NOTE 2 CRACKS IN IT ANYHOW, SO IT SHOULD BE REPLACED REGARDLESS)... TODAY'S TOTAL IS $516.70 -- BEFORE TAX, OF COURSE.

IS THIS LEGIT, DO YOU THINK?
 

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1998 Kia Sportage
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Wow, thats expensive... I replaced both of mine without trouble... I waited till the engine was hot to do it though. Ive never heard of the manifold cracking, interesting... And thats a bit much to ask for replacing an 02 sensor. That is, unless they are using factory Kia parts, then that 02 sensor prolly ran you about 200 bucks alone plus they prolly had to replace the manifold since it was cracked >.< Bummer
 

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Discussion Starter #10
dealer - ya know. Made it almost a mile before smoke poured out from under hood -- went back. Was told that it was a coating on the new manifold and it would be fine. Left again, made it 3 blocks and something blew up inside and the light came back on. Apparently there was a short in the OEM wiring harness and it caught on fire and blew up the new sensor.

Wanted to charge me AGAIN! I just told them I wanted it towed to another dealer (HELLO, don't yell at the men taking your car apart!) and they miraculously got enough gumption about them to fix it.

Told them I'd see them next CEL, which if it goes as it has, should be in Jan...

What in the world is going on? I owe too much to trade it -- would it be a safe assumption that I've replaced so much that it ought to be fine now?
 

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1998 Kia Sportage
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Wow, sounds like youve got some nasty problems with that thing. I would drive it a bit further because I do know that on many of the newer exhaust manifolds they put a special coating on them to help prevent rust. That coating adheres to the manifold when the engine is run for a long time... though the smoke and fire isnt good at all. If you have the time and money, take it to a certified Kia dealer and have it completely checked, dont tell them to skimp either because almost all dealers want to skimp because of time restraints, the sooner they get the job done, the more they get paid. Unfortunately, this leads to poor quality work sometimes... Good luck!
 

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2000 Kia Sephia 1.8L 5speed
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I bought my 2000 Kia Sephia 1.8L 5speed with a p0134 code.
I hooked up my code scanner and noticed that the O2 sensor for bank 1 sensor 1 was reading 0.875 and staying there while bank 1 sensor 2 was at 0.485 and it was going up and down.
I went to remove the sensor dry and turned the sensor a bit with a 7/8 O2 sensor socket... Until it slipped off.
Then I sprayed on some PB Blaster (Penetrating oil.) and tried to remove it with a 7/8 boxed end wrench.
I turned it a little bit and the stripped the sides of the nut....

So..... I would recommend not removing an O2 sensor dry. Spray some Penetrating Oil on it and let it sit overnight if you can. Some people have good luck spraying the senor when the car is warm, (about 160 degrees) and then letting it soak in as it cools overnight.
Also, I was told the actual size was a 22mm. I am not sure if that is true or not, but if it is.. That is the likely reason I rounded the nut.

The previous owner thought the car had an exhaust leak from the exhaust manifold. So luckily he included a new one with the sale and I had an easier time replacing the exhaust manifold rather than trying to remove the O2 sensor. Plus the manifold already had a new O2 sensor in it.

So I put on the new exhaust manifold with a new O2 sensor and now that code has not shown up again.
 
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