Will turning off the auto start stop in the pcm cause the o2 sensor and catylst to be not ready?i have returned the truck to stock to see if it will pass.
Will turning off the auto start stop in the pcm cause the o2 sensor and catylst to be not ready?i have returned the truck to stock to see if it will pass.
You may just need to drive it enough to get the O2 and cat to confirm "readiness".
Also, new rule in California, all tuned cars fail even if the tuning improved their emissions.
https://www.youtube.com/watch?v=7mqy27rO4TU
Every time you down the computer it will cause the readiness test to reset.
I have vehicles with HPtuners and with Cobb Tuning software. Note that Cobb has off-the-shelf tunes that have been CARB EO approved if all else fails.
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