1995 GMC Sonoma Owner's Manual - Page 59

2. If your engine still won't start (or starts but then stops), it could be flooded with too much gasoline. Try pushing your acceleratorpedal all the way to the floor and holding there as you hold the key in START it for about threeseconds. If the vehicle starts briefly but then stops again, do the same thing, this time keep the pedal down for five or but six seconds. This clearsthe extra gasoline from the engine. NOTICE: Your engine is designed work with the electronics in your to vehicle. If you add electrical parts oraccessories, you could change the way the fuel injection system operates. Before adding If electrical equipment, check with your dealer.you don't, your engine mightnot perform properly. If you ever have to have your vehicle towed, see part of this the manual that tells how to doit without damaging your vehicle. See "Towing Your Vehicle'' the Index. in To start your 4.3 Liter Code 2 engine: 1. Without pushing the accelerator pedal,turn your ignition key to START. When the engine starts, letgo of the key. The idle speed will go down as your engine getswarm. NOTICE: Holding your key in STARTfor longer than 15 seconds at a time will cause yourbattery to be drained much sooner. Andthe excessive heat candamage your starter motor. 2. If it doesn't start right away, hold your key in START. If it doesn't start in three seconds,push the acceleratorpedal about one-quarter of the way down for 12more seconds, or until it starts. 3. If your engine still won't start (or starts butthen stops), it could be flooded with too much gasoline. Try this: 4. Wait 15 seconds to let the starter motor cool down. Then push your accelerator pedal all the way to the floor. Hold it there. Then, hold the key in START for no more than ten seconds. This clears the extra gasoline from the engine. If the engine still doesn't start, wait another 15 seconds and do Step4 again. When the engine starts, let go of the key and the accelerator pedal. 2- 13