1997 GMC Yukon No Start

Tiny
ALEFKO01
  • MEMBER
  • 1997 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 98,000 MILES
Out of the blue, my suv just wouldnt start. It has plenty of battery life, plenty of gas and no guages on to let me know if there is a problem. It cranks but doesnt turn over. It doesn't sound rough or anything, it just wont start. Please help with any suggestions.
Wednesday, October 14th, 2009 AT 1:46 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
No start condition do below

Disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, cap and rotor /distributor pick-up coil, ignition control module, ECM, Ignitor camshaft and crankshaft sensors- Note: If it doesn't apply disregard it
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Wednesday, October 14th, 2009 AT 2:01 PM

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