No Throttle!!!???
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No Throttle!!!???
Okay. I was driving home tonight after work. Running up a little grade the throttle/engine seemed to stumble a bit. When I came to a stop and tried to go again, I had absolutely no throttle response, the engine just idled. It has enough idle rpm to limp the truck at a walking pace to the side of the road. I mashed and played with the peddle...no throttle response what so ever. I shut the truck off. I went to start it up again it just cranked over. (might have started to crank to quick..like a gasser) Tried cranking again after letting the GP's cycle and it started up. Drove it around the parking lot and seemed be fine, and it ran all the way home. What would cause an all of a sudden NO throttle. No CEL and no way to pull codes. BTW...can you get codes with no CEL?
Truck is a 2004 6.0L with no mods.
Truck is a 2004 6.0L with no mods.
Last edited by Risk176; Feb 14, 2011 at 08:43 PM. Reason: text change
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I can only speak from the two experiences I had. Both times I came up to a light and felt the truck stumble then noticed a different idle. Each time when I took off I had basically no throttle and lots of black smoke, and could barely find my way to a parking lot. Both times it ended up being a chunk of carbon hung up keeping the EGR valve open. Popped out the chunk and all was good. I have since cleaned my intake and also run the ford cetane booster and also take care to run it hard so it doesnt load up. Not sure it helps, but figured I would throw in my experience.
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From: Lakewood, Ca.
EGR valve is the first place I would look, too. The tech folder sticky at the top of the page has a thread that will show you how to remove it.
Yes you can.
Yes you can.
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I got up this morning to leave for work and it started the dame thing. I would rev the engine up and it would temporarily fix itself. I was thinking fuel filters but egr makes too. I don't have a lot of time on my hands or a ship so I just took it to the dealership this mornIng. It's still under warranty so hopefully it will be caught by that. I'm sure it won't though.
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Update! More frustration!
So the dealership called to give me an update after the truck sat there for 2 days. They could not reproduce the problem (No suprise there, that's my luck.) and they had no codes. He said it could be the throttle assembly. Would that throw a code? So I am stuck with a $120 diagnostic fee with no answers. I bet you money that when I pull away from the dealership tonight the truck starts up the behavior again.
So this weekend I guess I will pull the fuel filters, and maybe even pull and clean the EGR to see if its all clogged up. Any one have any other suggestions?
So this weekend I guess I will pull the fuel filters, and maybe even pull and clean the EGR to see if its all clogged up. Any one have any other suggestions?
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