Mario Alvarez Posted October 23, 2016 Share Posted October 23, 2016 I have a 2001 lexus es300 with the check engine light on codes p1135 and p1155 I change both sensors with denso parts and the check engine is still on can anyone please tell me what else I need to do Quote Link to comment Share on other sites More sharing options...
TrevC Posted October 24, 2016 Share Posted October 24, 2016 Hi Mario....welcome to the Forum It may be that you will need to manually remove the fault codes but otherwise it could be electrical connectors or wiring that are at fault...worth checking further. Here are some links that may shine some light on the fault.. http://www.engine-codes.com/p1135_toyota.html http://www.engine-codes.com/p1155_toyota.html Let us know how you progress with it. Cheers Trevor Quote Link to comment Share on other sites More sharing options...
Mario Alvarez Posted October 25, 2016 Author Share Posted October 25, 2016 Thanks for the information I figure out that the wiring was cut so fix the wiring and the check engine went away once again thanks for the info Quote Link to comment Share on other sites More sharing options...
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