Question about 2004 Kia Spectra
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Posted on Jan 02, 2017
SOURCE: 2002 kia optima wont pass
Reseting the cpu will clear the check engine code however it will not fix the problem that caused the check engine light to come on. The most common cause of failing emissions is the O2 Sensor. This sensor will trigger the check engine light when it is failing. The good news is that the Oxygen senser is pretty cheap and is mounted on your exhuast so it is fairly easy to replace yourself. I suggest replacing your O2 sensor the clear the computer by disconnecting the negative battery terminal and leave it disconnected for a few moments, hook up the negative again and it's all clear. Take your car back threw emmisions and you should be all set.
Hope this helps
Posted on Jun 27, 2008
SOURCE: knock sensor replacement
Turn ignition off. Disconnect knock sensor 3
pin harness connector. Locate knock sensor, on cyli
On Optima 2.7L engine, sensors are located on both
sides of cylinder block. . Remove knock
sensor from cylinder block. To install, reverse rem
Posted on Mar 19, 2010
SOURCE: 2 monitors are showing "not
You need to replace your O2 sensor, that should clear pretty fast-does it switch slowly (talking about the upstream O2 sensor)?
-as to the evap, on some cars they won't test unless the tank is between 1/4 and 3/4 full for an extended period of time, but you might just need a gas cap.
Posted on Dec 23, 2010
On the 2001 Optima you can reset the light by disconnecting the battery for about 15 minutes. If the cap was installed at a shop they should have turned off the light so if it came back on you may have another problem. Do you know hte fault code that was stored?
Posted on Jan 13, 2011
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