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

35

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

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

1,515

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 out of 1 people think this is helpful.
35

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...

2,855

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

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