S-10 Forum banner

cranking

  1. S10 97 crank no start unless jumped

    S10 / Sonoma
    370k miles 1997 4.3 2wd Every morning truck cranks but won't start unless jumped. After the first jump, it runs all day. I turn it off and on all day no problem. So far I have bought new battery and alternator. Checked for parasitic battery drain, found nothing. Bought new battery cables and...
  2. Truck only starts when cold

    S10 / Sonoma
    I have a 2002 GMC Sonoma 4.3 Vortec automatic ext. cab. I'm having issues with the truck. When the truck is cold it'll start to crank then wont, but after the second time it'll crank flawlessly. but when I park it after driving and go into the store for 15 minutes or something. It won't crank...
Top