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97 Yukon won't start back up Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting Taydar Novice May 7, 2010, 10:38 AM Post #1 of 4 (1725 views) 97 Yukon won't start back up Sign In 1997 GMC Yukon I was driving down the road about 35mph when my engine stopped running. May have been some hesitation first but not much if any. Now I cn't get it to start back up. I can hear the fuel pump come on when I first turn the key. I used a bit of starter fluid on breather and engin backfired. I checked for a spark and yes I can see one. Used the screwdriver in the plug cap beside a ground test. Now what? Hammer Time Ultimate Carjunky / Moderator May 7, 2010, 2:41 PM Post #2 of 4 (1720 views) Re: 97 Yukon won't start back up Sign In You need to use a fuel pressure gauge to check the pressure. These are high pressure systems and they are very pressure sensitive. They require a minimum of 55 PSI to even run. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Taydar Novice May 15, 2010, 6:02 AM Post #3 of 4 (1695 views) Re: 97 Yukon won't start back up Sign In Got her running. Thank you Hammer Time for taking the time to answer my orginal post. I did check the fuel pressure and it was 58psi so I started back on the firing. I had done the check with the screwdriver in the plug cap against the block and had seen some fire. Groping along I started taking things apart. Spark plugs looked warn but not bad enough to cause my engine to stop while running. Took distrabutor cap off and found the problem. The rotor button had actually broken off. Lodged in there shorting the mess out. I was still seeing fire at the screwdriver test but it wasn't enough or at the right time it seems. Replaced rotory cap, rotor, plug wires, and plugs. Running like a top thanks all Taydar Hammer Time Ultimate Carjunky / Moderator May 15, 2010, 6:36 AM Post #4 of 4 (1689 views) Re: 97 Yukon won't start back up Sign In Glad you found it. Thanks for posting the fix. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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