USDM P28 on a JDM B18C with a test pipe, code or no code?

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Jul 12, 2006 | 10:59 PM

erikiksaz1

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USDM P28 on a JDM B18C with a test pipe, code or no code?

Does the usdm p28 check for the second o2 sensor? I was just wondering if it'd throw a code due to the lack of a second o2 sensor.

Thanks

Jul 12, 2006 | 11:29 PM

Dartanian

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Re: USDM P28 on a JDM B18C with a test pipe, code or no code? (erikiksaz1)

Any OBD1 ECU will not check for a secondary O2 sensor because it isn't programmed to do so.

Jul 13, 2006 | 07:59 AM

yee SERIOUS

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From: The Village Hidden in the Leaves: Seattle, WA

obd1 ecu's are not programmed for two o2 sensors. it only searches for the primary (first o2) sensor. so if you put on a test pipe, better run obd1 for no CEL.

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