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5.7 no start cold soak Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Truck Repair>> Truck Repair Advice finn New User Aug 13, 2009, 2:39 AM Post #1 of 4 (4655 views) 5.7 no start cold soak Sign In 1997 k1500, 5.7 vortec. 160k. I'm fighting this one. No start cold soak [sitting ovrnite]. intermittent. if it starts in the morning it will start all day long whenever you shut it off. If you plug it in for 2 hours it will start . have reoladced ign. module checked fuel pressure @ 60psi. Have tried known good coil. After trying to start with key still in on possition engine fires. Also tried CKP. Hammer Time Ultimate Carjunky / Moderator Aug 13, 2009, 3:46 AM Post #2 of 4 (4652 views) Re: 5.7 no start cold soak Sign In Did you read that fuel pressure during the failure with the engine not running? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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. Tom Greenleaf Ultimate Carjunky / Moderator Aug 13, 2009, 7:51 AM Post #3 of 4 (4648 views) Re: 5.7 no start cold soak Sign In Had a 96 Vortec - six months checked fine hot or cold running or not but VERY hard starts (intermittent + not caught by me for a while) would run low 60s PSI. New CTS worked for a week fooling the diagnosis and did it again. The connector can be the issue also. Soldered in a new one. Caught the sucker KOEO at 53psi, primed and ran but sluggish but stayed at 54psi for a while running! Fuel pump solved that one against suggestion of it more likely being a regulator issue?? You hate to be wrong with this as parts and labor are enough and replacement pump dependability is iffy. Go OE highly suggested. The one I dealt with ran ok once warm the rest of that day also and pressure checks were normal many times! No history of low fuel (bad on pumps) and all else seemed to check fine. These really want exacting fuel delivery! T Hammer Time Ultimate Carjunky / Moderator Aug 13, 2009, 7:55 AM Post #4 of 4 (4643 views) Re: 5.7 no start cold soak Sign In Yes, fuel pump is where I was going but I wanted clarification on the fuel pressure. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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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