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95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

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Old 03-13-2012, 03:14 PM   #1
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Location: Galveston, Texas
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INFO: Drive patterns to reset OBD-II readiness monitors before state emissions test

If you have replaced the battery or cleared any DTC codes your readiness monitors will be incomplete and your won't pass inspection till you drive it a bunch. Most all of them readiness monitors will clear quickly but the catalyst and the evap emissions system have two very specific drive cycle patterns to get them to complete.

Normally this isn't much of a problem because most states allows TWO incomplete monitors, but several states have recently lowered it to only ONE incomplete monitor on 2001 and above models.

Here is a link to the Toyota TSB on how to drive your car to get the monitors to complete quickly. TSB EG003-02

http://www.obdclearinghouse.com/docu...revised%29.pdf

I tried driving around town and the highway for over 200 miles and couldn't get those two to clear/complete but after following the TSB I had both cleared in less that an hour.
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2001 4runner SR5 - ARB Bull Bumper, Warn 9.5XP, GM CS-144 150 amp alternator, Tundra brakes, OME 883/891s, SS adjustable traction bar, B&M 70264, and too many ham radios and antennas.
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Old 02-09-2014, 12:08 PM   #2
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This saved my bacon. Thank you!

MODS, THIS SHOULD BE STICKY!!!
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Old 02-09-2014, 12:08 PM
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4runner, bulletin, clear, drive, emission, monitor, monitors, patterns, readiness, reset, resetting, service, system, technical, toyota

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