A/F sensor heater issue

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Old 08-05-2021, 02:20 PM
Tim007's Avatar
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Default 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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