>From what I remember from my FSM, the light will come on if it detects the
problem two times within the same operating range, then will cut off if the
problem is no longer found two times or sumthin like that.... I cant
remember exactly tho...
*-=-=-=-=-=-=-=-=-=-=-=-=-*
Tim Berry (97 Dakota Club Cab)
Chesapeake, VA
Best 1/4: 13.50@101.91
*-=-=-=-=-=-=-=-=-=-=-=-=-*
> Its funny because I have a Dak that is virtually the same vintage as
yours.
> I bought mine in Jan of 97 and I've had the exact same problem for the
last
> year or so. The engine light will come on for no apparent reason, then in
a
> few days it goes off by itself. I finally learned how to pull the codes
and
> I usually get a code 21. Which means there somethign funky with the oxygen
> sensor. I just had to get my first CA smog certificate and the truck
passed
> with no problems so I dont really care if the o2 sensor is funky or not.
If
> the light bugs you when its on, simply detacth one of the battery cables
> for a few seconds ( then re-attach of course) this will reset the codes.
> I'll do this sometimes if I cant stand having the light on for 2 or 3
> days.. It has never come back on right away so I figure theres nothing
> really wrong. Also it took me about an hour of trying the first time I got
> the engine codes from the truck, there seems to be a specific time
interval
> of the on,off,on,off,on to get it to work right. If you cant get it to
work
> try a little slower or a little faster and be prepared to wait 10-15
> second after the on-off thing for the codes to come up. After the first
> code comes up you have to do another on-off (just once) to get the next
> code and again for each code thereafter. Again the timing of the on-off
> seems critical when getting the subsequent codes I still have to go
through
> the whole sequence a few times to get to the "55" or end of codes message.
> Hope this helps
> Tony J Mastres
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