Help please...

*shrug* worth a shot. Thx for the info. I'll do that tomorrow.

-Mike

--
A happy kid behind the wheel of a 98 Mustang GT
Cold air intake
FRPP 3.73 gears
Steeda Tri-Ax Shifter
Flowmaster 40 Series mufflers (self-installed woohoo)
Hi-speed fan switch
255/60R-15 rear tires
Subframe connectors
Aluminum adjustable clutch quadrant

"Dan" > wrote in message
oups.com...
> The PCM maintains a set of parameters that allow it to adapt the
> changes in the system over time. Some of these are short term fuel
> trims (STFT) and long term fuel trims (LTFT) which are time averaged
> parameters that the PCM uses to shift the AFR. For example, if your car
> tends to run lean, the fuel trims will cause the mixture to be a little
> richer to accomodate this. The long term fuel trims are also used by
> the PCM at WOT as the open loop fuel modifier (OLFM).
>
> It can happen, for a number of reasons, that the trims shift too far
> and cause some mild drivability issues. It's not very common but it can
> happen.
>
> .
> Dan
> 2003 Cobra convertible
> With some stuff and things
>

>"Deputy Dog"

>Mike, I don't know whether its applicable to you, but here in Pa in November
>they start putting a funky additive in the gas to reduce emissions in the
>winter.

well poop. that explains a lot. I've been getting poor-er milage since right
about then and had no idea why. Nice of them to let the public know, huh? Where
in PA are you at Dave? I'm stationed in NEPA.

Chester county

Dave


"Ffud1979" > wrote in message
...
> >"Deputy Dog"
>
>>Mike, I don't know whether its applicable to you, but here in Pa in
>>November
>>they start putting a funky additive in the gas to reduce emissions in the
>>winter.
>
> well poop. that explains a lot. I've been getting poor-er milage since
> right
> about then and had no idea why. Nice of them to let the public know, huh?
> Where
> in PA are you at Dave? I'm stationed in NEPA.
>
>