Question about 2002 Kia Optima
Take it to an auto parts store and ask them to do a code reading on the vehicle, it could be something simple like resetting a sensor
Posted on Nov 13, 2010
Has it had welding done? if so it might need the E.C.U. fault codes downloaded & any faults rectified.
Take it back to the bodyshop they should have fixed it before you had the car back.
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
SOURCE: check engine lite on
I would definately take it back to the dealer and tell them they have not fixed the problem. The Dealer will hook the car up to the ODB II tester to get the codes from your cars computer as to what the computer thinks the problem is. Typically there is more than one oxygen sensor on the exahust system and the dealer ship may have replaced one and need to replace both - or they may have replaced one that was not faulty.
IF the check engine light went out when you left the dealer it is likely because they disconnected the battery when they worked on the car. The computer will then check a problem that shows up several times before lighting the check engine light (typically three cycles I believe - i.e. at least three consecutive starts and stops where the computer sees the same problem) so seeing the light out when it leaves the dealership does not mean they have fixed it, it merely means they have disconnected the battery. You should be well within your rights to go back and tell them they have not solved the problem and your not paying additional money for replacements of parts that didn't fix the problem.
As a check you should also take the car to a local Autozone (Car parts shop) and ask them to check the codes using the ODB II meter. At least then you can go to the dealer with the knowledge of what the computer code is and sound more knowledgable and less likely to be ripped off for poor workmanship.
Posted on Aug 04, 2008
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