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P1259, P0420, P0135. . Replaced front 02 sensor

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Old Aug 11, 2009
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P1259, P0420, P0135. . Replaced front 02 sensor

i need to pass emissions and the check engine light was on so i had autozone read it for me. Replaced the 02 sensor on recomendation of autozone manager. Unpluged the battery and let the computer reset. Ran for about 10 miles before it threw the same codes again. Don't feel like paying honda 125 hard earned cash to tell me what their outlook is just yet! Any and all help appreciated greatly! ! !
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Old Aug 11, 2009
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Re: P1259, P0420, P0135. . Replaced front 02 sensor

The codes are:
P1259 - Vtec System Malfunction
P0420 Catalyst System Efficiency Below Threshold
P0135 02 Sensor Heater Circuit Malfunction
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Old Aug 12, 2009
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Re: P1259, P0420, P0135. . Replaced front 02 sensor

Vtec system malfunction.... well thats not good, signs of a serious problem i mean is the engine not engaging vtec? does it run rough? how many miles you done and do you service it reguarly?

the second one about your cat just means its clogged up and you'll probaly need a new one unless correct me im wrong you can actually clean it?

and the 3rd is above my head so i dont know..


Tom
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