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Problem for Hyundai Motor 2004 Sonata
Emissions test comes up not ready - can't pass inspection
By k_klansman on May 28, 2009
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 i have a 1997 Nissan Sentra that says Oxygen Sensors not ready, Egr not ready Catalist not ready and evap not ready. The car hasnt had work done on it in eight months its been in use those eight months just how long is the drive cycle?
Solution #1
posted on May 28, 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.
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Solution #2
posted on Nov 05, 2009
I had a 2001 toyota camry and I couldn't passed the emission test but my friend told me about Xtreme Fuel Treatment and I went back and passed emission. I've also seen improvement in my gas mileage. I brought it at https://creid.gosyntek.com. Test it out and see for yourself
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