This topic contains 0 replies, has 1 voice, and was last updated by Wojtek Regucki 1 year, 8 months ago.
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Hi
I have a check engine light and code PO156 just put a new O2 sensor B2S2 and code PO156 comes back
Same reading of a new sensor in range 0.015V-0.035 ssteady… would you suggest a replacement of manifold? Sensor reading means a bad cat?
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