Nobody locally seems to know what the problem is, it comes and goes as far as working, sometimes when you drive it works fine, then the next time its not accurate, it seems to hover at the 25 mile per hour mark and stay there even when driving 55 or faster. This afternoon I drove it three hours, about a half hour it maintained the correct speed of 55, all the rest of the time it hovered near 25-35 and would constantly bounce around in that speed up and down the bulk of the three hours of driving. It never quits, and then all of the sudden to goes back to reading accurately for a few minutes and then drop back to that 25-35 zone again.
We've adjusted the gap in the sender and that does nothing to change it. I think the truck is a 1998 year, mechanical engine. Its done it for years, and the only change is, now its not accurate more than it is, when this whole thing started, it would drop in speed maybe 10 percent of the time and was accurate 90 percent of the time, now its accurate 10 percent and inaccurate 90 percent of the time. Any idea's as to what's wrong and how to fix it?
We've adjusted the gap in the sender and that does nothing to change it. I think the truck is a 1998 year, mechanical engine. Its done it for years, and the only change is, now its not accurate more than it is, when this whole thing started, it would drop in speed maybe 10 percent of the time and was accurate 90 percent of the time, now its accurate 10 percent and inaccurate 90 percent of the time. Any idea's as to what's wrong and how to fix it?
