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5.7 Hemi stall and idles rough 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 ratrace2 User Sep 1, 2012, 11:12 AM Post #1 of 3 (2467 views) 5.7 Hemi stall and idles rough Sign In Hello All, "Happy Labor Day" I got a 2005 Dodge Durango 5.7 hemi (16 spark plugs) (automatic, a/c) across the road. Friend complaines that the truck (SUV) stalls on deceleration, and that it runs rough when it gets hot. Cold, the truck starts fine no problem. Oh yea, I had a couple of guys tell me that the valve springs in this truck are bad, or weak. I have heard of no TSB or Recalls. A Vacuum gauge test showed a "wobbly" or bouncing reading. I would think that this indicates a poorly sealing motor at the valves. IMO, it could be valve springs or Sticky lifters. Let me know what ya think, thanks guys.. (This post was edited by ratrace2 on Sep 1, 2012, 11:17 AM) Double J Veteran / Moderator Sep 1, 2012, 12:32 PM Post #2 of 3 (2426 views) Re: 5.7 Hemi stall and idles rough Sign In Could be a few different things Any Trouble codes ? ratrace2 User Sep 1, 2012, 12:43 PM Post #3 of 3 (2424 views) Re: 5.7 Hemi stall and idles rough Sign In No codes. Maybe clean EGR; throttle body passages; check for vacuum leaks; add some seafoam to pump up the lifters. Anyone ever heard of these 5.7 Hemi's having valve spring problems?? (This post was edited by ratrace2 on Sep 1, 2012, 12:50 PM)   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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