Thread: Oxy Sensor/CheckEngineLight/Major gas Problem
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Old 03-15-2004, 09:16 PM
nav6412 nav6412 is offline
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Re: Re: Oxy Sensor/CheckEngineLight/Major gas Problem
Quote:
Originally Posted by Popsmear
Yeah, I got the code

P0420 - The PCM has detected that the catalyst system efficency for bank 1 is below threshold for the current engine operating conditions. (Bank 1 indenifies the location of cylinder #1, while bank 2 indentifies the cylinders on the opposite bank)

So I bought the OS sensor for before the catilytic converter.

Will be putting it in shortly, and hopefully that will fix my problem.

Thanks for your help
did the os sensor work I have a 95 with the same gas milage and hard starting frist thing in the morning
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