I also agree with Gayle but would add that for me, fear leads to the obsessive thinking. In this situation I might be afraid I would not be able to fix the truck, I might not be up to the job, the truck might not be fixable ... and what will I do if I don't have transportation, etc. A snowball going downhill. Like you said, you use your truck for work so it is important to your livelihood.

You got the job done ... maybe you just doubted you could do it. You seem smart. Even if you couldn't fix the truck I bet you would have found another answer. When I am fearful and obsessing, I have a good friend who reminds me that I always keep kicking to the top. I just love her for that.