Question about Hyundai Motor 2004 Sonata
Mechanics can't reset the computer for emission testing. I replaced the oxygen sensor. I was told to drive the car to clear the computer. Will I be able to drive it according to the "driving cycle" to clear it? If so, what is the driving cycle. Hyundai has not been able to help. Has this been a problem that has come up with other Hyundai Sonatas
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Posted on Jan 02, 2017
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Posted on Nov 05, 2009
Under the hood, there is a fuse block. I believe it is on the driver's side of your vehicle. Open that box, and pull the "ECU" fuse. Leave the fuse out for at least 5 minutes. Put the fuse back in, start the car, and let it idle for at least another 5 minutes. Do not drive the car, touch the gas, or even look at the gas pedal for these 5 minutes, as the ECU is remapping itself. This will properly reset the ecu and clear the codes. After this you may drive the car.
Posted on May 28, 2009
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