Hello,Recently I had a p0135 password thrown (front 02 sensor). I purchased a brand-new 02 sensor native napa and did a reset via an unfavorable battery cable but the check engine irradiate keeps coming back.I live in a state wherein the yearly state inspection is mandatory and also the organization shop next door just told me the I"m no going to happen if I have actually an examine engine light on also if a new part resolved the problem. They"ve been informing me the the only way to reset the password is to do it at the dealer"s, no by disconnecting the battery.I have actually two questions:1. Is there any other method to reset the light that I could do or the an unfavorable battery cable is the standard?2. Is there anything rather that might be resulting in the the p0135 if not the former 02 sensor?Eagerly awaiting her recommendations...Thanks!


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11 Apr 2009, 12:27 pm
CREWZIN
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Re: Alternative way to reset the check engine light?


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There"s just two means that I understand of to clear the code: take the negative battery cable turn off for a couple of minutes and also with a scanner native the dealer or mechanic. Here"s what ns found about your code:Diagnostic Trouble code (DTC) P0135Front heated Oxygen Sensor Heater Circuit not Functioning attributes of the Circuit * This circuit uses heated oxygen sensors (HO2S) for controlling fuel and post catalyst supervising. * all the HO2S existing here enhance the oxygen percent of the atmospheric air with the oxygen content existing in the exhaust stream. * In bespeak to it is provided flawless voltage signal, the HO2S should get the requisite operation temperature. * The time necessary for the sensor to reach the operating temperature is decreased by a heating facet inside the HO2S. * The ignition 1 voltage circuit offers voltage come the heater with a fuse. * floor is listed to the heater through the HO2S heater low manage circuit if the engine is ON, v a low side driver in ~ the ECM. * The ECM regulates the flow of current through the heater for the convenience of diagnosis. * If over there is any kind of discrepancy about the stated parameters in the HO2S heater current identified by the ECM climate DTC P0135 is boosted immediately.