6: Check TSBs/Repair History
WARNING: This page is about a different car, the 2004 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
After verifying the customer concern, check for TSBs and the vehicle repair history for related concerns. If information relating to a diagnosis/repair is found, carry out the procedure(s) specified in that information.
If no information is available from these sources, carry out the vehicle preliminary inspection to eliminate any obvious faults.