THE CAT EVAC SYSTEM WILL NOT GET READY FOR IT ...

2004 Chevrolet Silverado

Tiny

dom.r.matra

October, 19, 2012 AT 11:00 PM

The cat & evac system will not get ready, for it to pass inspection. Is this the cause of a bad 02 sensor?

FOUND 3466 RELATED QUESTIONS

7 Answers

Tiny

saturntech9

October, 19, 2012 AT 11:01 PM

Do you have any codes?Did you unhook or replace the battery recently?

Tiny

dom.r.matra

October, 19, 2012 AT 11:16 PM

I did unhook the battery

Tiny

saturntech9

October, 19, 2012 AT 11:46 PM

How many miles have you driven it since then?Thats why the monitors arent set from the battery unhooking.

Tiny

dom.r.matra

October, 22, 2012 AT 10:13 PM

I've driven it 149 miles.

Tiny

saturntech9

October, 23, 2012 AT 4:04 AM

So the evap and the cat monitors are the only ones that haven't set yet?

Tiny

dom.r.matra

October, 23, 2012 AT 12:39 PM

Yes.

Tiny

saturntech9

October, 24, 2012 AT 4:07 AM

Step 3 is for the evap monitor and step 4 is for the cat monitor the evap monitor is hard to set sometimes the cat monitor is a lot easier to set. You have to do those steps many times sometimes depending on where you live sometimes they will let you pass smog with one monitor unset.

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