So my truck has always been super "peppy" when I go to start it, but today it sounded somewhat sluggish, though it did start up no problem. I drove like 3 miles, stopped for less than 5 minutes, then went to start it and it sounded perfectly fine. Drove it another 2 miles, then came back to it an hour later and started it and it sounded somewhat sluggish again.
Driving at night or sitting in a parking lot with headlights on and radio on my scan gauge says it doesn't go below 14.2 Volts. When I turn the truck off, but leave the accessory on the scan gauge reads 13.2.
Just wondering what you guys think. I can't afford to have my truck break down in the next month, so I'd really like to fix something ahead of time if it's on its way out. I checked the battery cables and they don't wiggle, though they have a little build up on them. I'm going to clean them up, but doubt that's causing this.