P-0428

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04-10-2020, 09:22 AM

Bluzmanis

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P-0428

Hi! Got code P-0428 and red "check engine" triangle with exclamation mark. (P0428 Catalyst Temperature Sensor High Input Bank 1 Sensor 1). Fuel consumpiton increased. Does anyone has experience in dealing with the code?

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02-13-2021, 11:57 PM

Roberto Marino

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Originally Posted by Bluzmanis

Hello, i have same DTC on a customer V70 5 cyl, replaced EGT 1 and still not solved. Any update on your veichle?

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02-14-2021, 12:18 PM

cruxter

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Yeah, I had that code read at Autozone, and the guy told me it was a catalytic converter. I had suspicions on the real problem; I tighten the gas cap, and within a day the check engine light went out.

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