Had another car come in from Boys Town (only one guy will get that joke) to take care of some noise from the rear of the vehicle. It also had a CEL light (P0105 and P0128) on with a couple of faults. The P0105 can pop on due to a dirty throttle body or a bad MAP sensor. Since cleaning the throttle body is free.99, I decided to yank it and take care of that. The P0128 is a coolant …

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