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05, F-350, spuddering at low rpms, sluggish at low rpms fine when engine is powered??
I have a 2005 F-350, it has 89000 miles on it and about a year ago did this same thing but after a fuel filter change it came out of it. It once again started doing the same thing so I changed the filters again but this time it didnt come out of it.
At low rpms or at idle it spudders and idles low, the rpms go up and down. When driving if you are just going along slow the truck is hesitant and then rushes up in rpms. If you are driving down the road and asking the truck for power it is fine and runs great.
Today it stalled pulling into the driveway and started afterwards but would not start at all tonight. The engine would just turn over. A couple of times it fired but would not run.
Any help or ideas. I was thinking fuel pump but the more I read various posts it sounds like it could be a injector problem.