WHAT AMOUNT OF DRIVE TIME NEEDED IN ORDER TO ...

  • Tiny
  • Anonymous
  • 1997 GMC Safari
  • 208,000 miles

What amount of "Drive Time" needed in order to reset computer? Needing to pass Dept. Of Environmental Quality (DEQ) in Oregon. Thanks.

Saturday, January 5th, 2013 AT 7:55 PM

1 Answer

  • Tiny
  • JDL
  • Expert
  • 16,290 posts

I can give you a generic drive cycle. I don't know anything about Oregon emission laws.
Cold start, temp less than 122 degrees F.
Idle 2.5 minutes in drive, (auto), neutral, (man) ac and rear defogger on.
Ac off, accelerate to 55 mph, 1/2 throttle.
3 minutes of steady state driving at 55 mph.
Clutch engaged, (man), no braking, decelerate to 20 mph.
Accelerate to 50--60 mph at 3/4 throttle.
5 minutes at of steady state cruise at 55--60 mph.
Decelerate, no breaking, end of drive cycle.

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Saturday, January 5th, 2013 AT 8:59 PM

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