failed smog :( - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

mpsgolf · 08-18-2018, 07:26 PM

I recently put in a new battery thus resetting computer. Right after I went for emissions inspection and failed because computer said not ready. I was told I needed to complete
“Drive cycles” to reset computer. Below is what I did to reset the computer and it worked. I probably put less than 100 miles over a weekend but did try to follow the steps.

http://www.obdii.com/drivecycle.html

Blubird68 · 08-18-2018, 10:55 PM

Quote:

Originally Posted by 102SS

When the car is tuned some tuners make the mistake of turning the monitors off.

This will cause you to fail the OBD2 plug in test.

The driving cycle to reset the computer for a 5th Gen is bizarre my friend sells used cars and he said you need so many miles at certain speeds.

Yeah I guess that’s the problem then, the sct tuner turns them off which causes it to be not ready, I guess I need to put my stock manifolds back on for smog which I was hoping I didn’t have to, the sct tuner is kinda a waste of money

102SS · 08-19-2018, 04:43 PM

Quote:

Originally Posted by Blubird68

Yeah I guess that’s the problem then, the sct tuner turns them off which causes it to be not ready, I guess I need to put my stock manifolds back on for smog which I was hoping I didn’t have to, the sct tuner is kinda a waste of money

No you can leave your headers on.

Get your car tuned by a proffesional tuner.

My full bolt on 99 TA passed smog with a mail order tune from Frost.

I ran it on the tail pipe test just to see what it would do with no cats and she failed bad.

But the OBD2 plug in test was a breeze because he left the monitors enabled.

Blubird68 · 08-28-2018, 02:34 AM

Quote:

Originally Posted by 102SS

No you can leave your headers on.

Get your car tuned by a proffesional tuner.

My full bolt on 99 TA passed smog with a mail order tune from Frost.

I ran it on the tail pipe test just to see what it would do with no cats and she failed bad.

But the OBD2 plug in test was a breeze because he left the monitors enabled.

So i tried getting a tune in town by this performance shop, the guy wanted $750 so I guess I have to keep looking. It’s just rear o2 sensors ¯\_(ツ)_/¯

08-18-2018, 07:26 PM	#15
mpsgolf Drives: 2012 Camaro SS Transformer Join Date: Sep 2013 Location: St Louis Missouri Posts: 501	I recently put in a new battery thus resetting computer. Right after I went for emissions inspection and failed because computer said not ready. I was told I needed to complete “Drive cycles” to reset computer. Below is what I did to reset the computer and it worked. I probably put less than 100 miles over a weekend but did try to follow the steps. http://www.obdii.com/drivecycle.html __________________ 2012 Camaro SS Transformer Mods: trunk subwoofer and amp, LED lighting (fogs, interior, trunk), skip shift eliminator, CAI cold air kit, Vmax ported throttle body, Stainless Works retro chambered cat back, JBA Cat4ward SS ceramic coated headers Potential Next Mods: Tune, F&R sway bars, rear cradle bushing inserts and trailing arms