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surging idle
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  1. 94-98 7.3L Problem Forum
    I have a 97 power stroke that I bought about a month ago and I’m having problems when I first start up it will surge a couple of time then idle normal or sometimes it will start up just fine. I’ve replaced the lift pump, all hoses from the lift pump, both gas tanks, the filters in the tank...
  2. 99-03 7.3L General Discussion
    I have a 1999 f250 4x4 with the 7.3. I have been having problems with a rough idle especially after the engine has warmed up. Yesterday I discovered a cracked injector cup that i am in the process of replacing as soon as i can rent a tool. I'm hoping that fixing the injector cup will also fix...
  3. 6.0 Motor problems
    I have looked through a crap ton of threads and haven't narrowed down my problem yet. When the truck is warm, it does a surging idle, in park or drive. Sometimes it does the jumping forward at a stop light. my ICP at idle reads around 590/600psi my IPR % is around 22%. So those seem to check...
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