Re: Got a case of deja-vu (at least for Danny)
Posted to Emissions Forum on 3/13/2014
1 Reply
Well, I hope that I don't get crucified for 'allowing' this
to happen, but I felt the need to update you all on this
Taurus.
I stated that I refuse to load the parts cannon on vehicles
that I cannot fix. I don't consider myself to be remarkably
'special', by either definition of that term, and I am not
too proud to admit defeat. But, when I came back to work the
next morning, the parts cannon had already been pre-loaded
for me, with a remanufactured MAF sensor.
Apparently, my boss and the customer decided together that
we would follow a "diagnose through treatment" strategy,
kind of a Dr. House type of thing. I was instructed to
install it and recheck, which I did. I made sure that I got
at least two freeway on-ramps under its belt to update the
BARO PID, then performed a manual-mode ASM 5015. The live
scan data looked just as bad as before (stuck rich), but the
5-gas numbers were significantly better! I let it idle for
at least three or four minutes, then ran the official test.
I am utterly convinced that this vehicle is not controlling
fuel properly (at least during ASM), but the results are
hard to ignore:
[1998 Ford Taurus LX, Emissions Infrared Data]
I hope that my flame suit is up for the abuse!
Sincerely,
Michael Barry Technician Quick Stop Smog & More Sacramento, California, USA
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