State inspection

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May 28, 2020 | 01:27 PM

Glass112

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From: Montgomery Texas

State inspection

My 2005 corvette battery went down, I got that problem solved. Now I can’t get the car passed state inspection. The report for the emissions failed, not enough information catalyst and the evap system. Any one got the fix on this?

May 28, 2020 | 02:08 PM

z28lt1

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From: Northern VA, USA

The fix is to drive it. The emissions checks need some conditions to be met to pass. There are some stories you can search for on the quickest way to get all the tests ready, but all of them involve driving it. I think one condition requires the tank to be pretty low, but most states allow 1 or 2 "not readies"

Last edited by z28lt1; May 28, 2020 at 02:09 PM.

May 28, 2020 | 03:00 PM

Fine05

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Joined: Jun 2019

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From: Beautiful Florida

I agree, drive it. Years ago, I had a 2-year old Oldsmobile Cutlass that failed emissions and the guy asked me if I started it up and drove it straight to the station. Yep, I did and the test station was only about a mile from my house. I wanted to get there early to avoid the wait. He said go drive about 10 miles and come back. Did that and it passed.

May 28, 2020 | 04:07 PM

subfloor@centurytrans

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Quote:

Originally Posted by Glass112

Unfortunately driving it is hit and miss in terms of getting all the ODDII readiness tests to show as ready. Even if you're able to get most of them set, it's close to impossible to get the EVAP to show as ready no matter how many miles you put on it.

What does work however is if you know somebody with HP Tuners it's possible to tune everything out so it'll pass without having to drive it at all.

May 28, 2020 | 08:21 PM

Iceaxe

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From: Draper Utah

On a 2008 Pontiac G6 the magic number of miles to drive is 50. I'm betting a C6 Corvette is the same.

This is done as a safe guard so if your car is throwing codes you can't just clear the codes or reset the computer and run it through inspection and get a clean bill of health.

May 28, 2020 | 08:44 PM

dpigguy

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Joined: Dec 2007

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From: Magnolia Texas

My 2008 failed inspection during test when CEL showed up. Evaporation system error. Changed out solenoid and still had to drive it for a couple of days (50 miles +) before it passed on retest. PIA but won’t pass otherwise.

May 29, 2020 | 02:47 PM

z28lt1

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From: Northern VA, USA

Quote:

Originally Posted by subfloor@centurytrans

The Evap monitor is a little tricky because it requires some specific conditions such as fuel tank level (generally between 1/4 and 3/4 tanks and two drive cycles, each one being a "cold" start, with coolant temperatures with a certain number of degrees at air temperature at start. Think there is some idle requirements in there as well. There some GM drive cycles that should do it. That said, as I noted, most states allow a "not ready" or two. Even our ozone saving friends in California allow the EVAP to be not ready and still pass..

May 29, 2020 | 03:14 PM

stingray71

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From: Vienna VA

You need to do several cycles of "normal" driving. Just driving it on the highway is usually not enough. You'll need shorter and longer trips fast and slow.