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Emission light is on on 2004 Honda Civic

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HiI took my Honda Civic 2004 to a Honda dealer because the Emission light came on and was told I would have to buy a new throttle body P0122 and a new Primary Oxygen Sensor P0135 when they completed their diagnostic test. It cost me $107.35 for the test. I wanted to keep this car but I am not sure how long it will last. Any suggestions.
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Honda has had a lot of issues with their Oxygen/Air Fuel Ratio Sensors, so this is a known problem, I would ask the Service manager is the warranty has been extended for these parts, because I have replaced several very recently. Besides, an Oxygen Sensor is a pretty much part of a tune-up service as they only last about 90k.

As for the P0122, make sure that your Alternator and Battery is in excellent shape, because these 2 components are known to set a TPS code, because the system voltage gets too low and the engine computer thinks it is a bad TPS. If you have the original Battery, it is due for replacement, do that first, then see if the code comes back.
As for the longevity of a Honda Civic these are some of the very best cars in the world. Any car is going to take about $700-900 a year to maintain, even a Civic. It is not like a Micro wave Oven, things wear out.
here are some shop for a second opinion.
Hi thank you for your reply. The car is doing NOTHING different than before the light came on. I was told the car was only worth 2 to 3000.00 as a trade in. Why put out 1300.00 on this car. I was thinking of running as is before getting rid of it. It is only 6 years old and i hoped it would last ten years. Thinking of buying a FIT instead of a Civic next time. Your thinks on this. TY.