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So I have 1997 suburban 1500 2wd 5.7l went to install a train nor the other day didn't get around to it I might add. Had battery disconnected for a bit. Next day it started out driving fine. Felt a wierd flutter going down the highway. Stopped at the store and could barely reverse took basically sitting on the pedal keeping rpm a little over 1200. Went in to drive just fine. By the next stoplight take off felt sluggish. Now it will barely get to moving at all. Electrical issue or what???? RpMs solid at idle around 650, doesn't have the mysterious rough idle or anything like that chased that's thru a full engine rebuild just about with my last suburban. Haven't had this one too long but seemed well taken care of I'm the second owner a school had it before me. So I figure all the maintenance was kept up. Got about 145,000 miles on it trans fluids clean and around proper levels. Any ideas would be greatly appreciated. I'm hoping its not a transmission failure don't see that just happening out of the blue without prior signs or behavior
Hello I am having an issue keeping my truck idling on its own. Here is the history on the truck. 2000 GMC Sierra 1500 4.8L automatic with manual 4x4. Bought from auction as a flood vehicle. Water was in the engine in the oil and in the cylinders. Got that all out and new plugs, wires, new fuel, oil and filter. The truck runs now but it will not idle on its own. If you give it just a slight amount of throttle it will run. If you let off the gas it dies. I checked the throttle body and cleaned it. Clean air filter. The fuel pump primes 50psi but I haven't checked it while running. Any thoughts as to why it wont idle on its own? It will rev all the way to redline and you can drive it around a little if you two foot it. The engine sounds healthy but wont stay running.