My check engine/VSC lights are on, placed on computer to test, & it says "Heated Oxygen Sensor".

45

Asked by May 24, 2012 at 02:02 PM about the 2004 Lexus SC 430 RWD

Question type: Maintenance & Repair

However, there are three (3) Oxygen sensors & the computer won't say which one?!?!? Any suggestions,
other than having to pay a shop to check all three? My concern is also whether this is the true
malfunction, reading other remarks of shops replacing several items ($$$) to finally find the true meaning
why the VSC warning light came on...

3 Answers

1,675

That is strange if its the oxygen sensor i think its the one before the catalytic converter is heated up vsc light comes on only when its relay is done for ( or the fuse ) or there is not enough brake fluid in the cylinder for the vsc to work with

1 of 1 people found this helpful.
45

Thanx! I'll check the fuse & brake fluid 1st & hope that's the solution. If not, I guess it's to the shop to determine whether it is the one before the catalytic converter...

1 of 1 people found this helpful.
3,685

the code will tell you which sensor it is. whether it is upstream and or downstream.

1 of 1 people found this helpful.

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