Detail: How do I set the timing on a 99 Silverado, V6, 4.3 Liter?
Solution: The timing on the 4.3l is not ajustable. The crank sensor has to be relearned with a scan tool. , Hi, A 6ya expert can help you resolve that issue over the phone in a minute or two. Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US. The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones). click here to download the app (for users in the US for now) and get all the help you need. Good luck!