Emission monitors won\'t start

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Emission monitors won't start

05-29-2025, 12:59 PM

cngenack@gmail.com cngenack@gmail.com is offline

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Emission monitors won't start

Hello, so I have this 96 140 body S420 that will not start the running of monitors at all when it goes into closed loop it says closed loop fault but there is no fault evident in verse the 38 pin or the 16 pin any ideas would be appreciated.

I will install diagnostic module (OBD) tomorrow and update.

Last edited by cngenack@gmail.com; 05-29-2025 at 01:22 PM. Reason: More info

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