Remember that when you use the simple present, you are suggesting that it is a repeated, habitual action.
1. This means that every time the car doesn't work, Bobby inspects it carefully. That would be okay, but "have jerks" doesn't make any sense.
2. Okay, but "for they bite" would be better as "because they bite."
3. What is a practice list? Why would he jog around his truck? That would be a very tiny circle. Spending 30 minutes doing that would probably mean he circles it 75 times or so!
4. This may be okay. What do you mean by "jumbles" her clothes up?
5. ON a piece of paper - but this one should be in the past. Peter jotted down my phone number on a piece of paper. It doesn't make any sense to say he did it to forget it. If he wanted to forget it, he wouldn't write it down.
6. Okay, as long as you mean "every time."
Student or Learner