Just an aside, I drove from Topeka KS to OK City once, about 130-140 kph....
I left my gas cap in Topeka by accident.

Never caused a CEL.... and it didn't affect mileage, that trip is 475kms, I
only put in 8.5 gallons.

98 civic 5-spd, had about 165000 on it at the time, back in 2003.

t

Tegger wrote:
>Brownie <none@000.com> wrote in news:969331
>_a8d6b8548560e317c31431250c0e68fb@autoboardz.co m:
>
>> Hi folks,
>> The Civic will not pass inspection in New York, engine light is not
>[quoted text clipped - 14 lines]
>> The 3rd option I don’t remember off hand but it was similiar to the
>> others. Any suggestions whithout replacing the Cat?
>
>Did you disconnect the battery at any recent point? That clears all the
>flags.
>
>That suggested "drive cycle" sounds bogus. Removing the gas cap and
>allowing the engine to run will set an error code.
>
>The drive cycle in essence ensures that the engine warms up all the way,
>and is driven long enough, and under sufficiently varying conditions,
>for all the systems to run their self-tests. The monitor flags are set
>"ready" after each system passes its self-test.
>
>Take the car for an hour's continuous drive, half highway and half city,
>then shut the engine off and allow it to cool completely (at least five
>hours). Now repeat your previous hour's driving. This will give you a
>much greater chance to have all the flags set.
>
>If the car is never driven very far, or never driven to fully-hot, some
>flags will never become "ready".
>
>Now, having said all the above, there are certain vehicles that have
>known problems with monitor flags refusing to set. These vehicles are
>given exceptional status at smog stations, and so achieve a pass even
>with certain flags not ready. Your local dealer can look up any TSBs
>that may apply to your car and that problem
>(*if* such TSBs exist for your VIN, and they may not).
>

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