> My '94 LeSabre has started spluttering mightily on acceleration. Does
> not occur on level grade at steady speed, or with cruise on; will
> occur with even slight taps on gas pedal to increase speed for gentle
> dips and valleys in road.
>
> Spark plugs just changed. No help. Swapped out a $5 three-way valve on
> a lark, no help. Other posts about similar problem have suggested
> possible problem with throttle position sensor, but the odd thing is
> that this problem *never sets a code* (no "Service Engine Soon"
> light). Wondering if a simple, mystery vacuum problem (somewhere?)
> might be dogging me...
>
> Appreciate any thoughts.
>
> -David
Bad plug wires.