1996 GMC Sonoma Owner's Manual - Page 60

Starting Your 4.3 Liter Engine 1. Without pushing the accelerator pedal, turn your ignition key to START. When the engine starts, let go of the key. The idle speed will go down as your engine getswarm. 3. I f your engine still won't start, wait 15 seconds to let the starter motor cool down and do it all again. When the engine starts, let go of the key and the accelerator pedal. I NOTICE: Holding yourkey in START for longer than 15 seconds at a time will cause your battery to be drained much sooner. And the excessive heat can damage your starter motor. I NOTICE: Your engine is designed to work with the electronics in yourvehicle. If you add electrical parts oraccessories, you could change theway the engine operates. Before adding electrical equipment, checkwith your dealer. If you don't, your engine might not perform properly. If you ever have to have your vehicle towed, see the part of this manual that tells how to do it without damaging yourvehicle. See "Towing Your Vehicle" in the Index. 2. If it doesn't start right away, hold your key in START. If it doesn't start in 10 seconds, push the accelerator pedal all the way down for fiveseconds, or until it starts. 2-12