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Tim007

08-05-2021 02:20 PM

A/F sensor heater issue

2000 es300. P1135/p1155 codes.
wiring verified good. 2 different computers. Lexus supplied Denso sensors(specified by VIN). Additional grounds added.
resistance is just " a bit" too high.
I can't pass emission test like this.

suggestions please.
Tim

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