The last few months the speedometer would go on and off the last few months but now it doesn’t function at all now, when the truck is off it’ll sit around 40 which is in the picture some days other days it’ll sit around 80 and it will move alittle bit while driving. I am thinking about replacing...

I noticed when going through construction that has the radar billboards my speedometer is 3 MPH faster than reported speed. This is both northbound and southbound, at least 4 different times. Any idea of what it may be before I take her in?

OK. Pressure washed my truck. Probably got a little carried away with the water. Long story short, ended up with about a dozen different codes and a truck that wouldn't start. Opened up all the connectors that I could find under the hood and used compressed air to dry them out. Used electrical...