2005 Hyundai Accent P2096 CODE


Old 03-19-10, 12:56 PM
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2005 Hyundai Accent P2096 CODE

I have a 2005 Hyundai Accent with 69,800.00 miles. My check engine light went on today. Went to autozone. The code is P2096. Best I could find out is it has someting to do with the 02 sensor or the catalytic converter. Would like to get a better idea of what the problem is and if I may still be covered under the warranty. Thanks.
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Old 03-19-10, 01:05 PM
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P2096 Post Fuel Trim Too Lean-B1

I'll have to do some research to see what that would entail.
Old 03-19-10, 01:15 PM
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Okay, I think that should be Post Catalyst which would indicate the O2 sensor after the cat is sensing a lean condition. In other words there is excess oxygen being detected by the sensor after the catalytic converter. O2 sensor, cat, or possibly an exhaust system leak. One of the pro mechanics should be along to enlighten us further.
Old 03-19-10, 05:34 PM
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Following are all the tests to be done for a vehicle other than yours...
DTC P2096

This is quite involved and uses test equipment other than a multimeter.

This test equipment can "see what is going on" with various sensors while the vehicle is running.

Perhaps the best thing to do would be to have the dealer diagnose the problem for you, then you decide if you want to fix the problem yourself?

If you want to troubleshoot the problem yourself, you can get software for a PC and a cable to connect to your vehicle. Like this...
OBD II Scan Tool Software and Hardware - ProScan Details


Verify that it will work on your specific vehicle.

Also you would need the factory service manual set of books (order from dealer) and a multimeter.
Old 03-19-10, 07:17 PM
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I know very little about the automobile in question, but this lean mixture code could be caused by a leakage in the rubber boot that is between the throttle body (similar to a carburetor) and the air cleaner housing.
You might be able to check this yourself and you might get lucky.
Check the simple things first!

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