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Is your checkengine light on, before you went for emissions testing?

The EGR is on the Left side of the block, next to the LExus Symbol.

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Sabot; colder engine will produce more emission, with that note did you have engine running and fully warmed before entering the bay? I had some stations tell me to turn off the engine but I knew that would cause excessive emission before the test. If you have fully warmed the engine before testing, you may want to checkout the oxygen sensor first for malfunction.

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If an o2 sensor malfunctions, you would think it would throw a hard code. Most every emissions part will throw some sort of hard code that won't go away.

In case you can't find it, here's a diagram.. EGR valve is E2


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