intermittant rough idle
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Junior User
Joined: Jan 2007
Posts: 99
Likes: 0
From: Rochester Wa
intermittant rough idle
03 F250 153k 7.3 it seems that sometimes when i come to a stop sign it will idle perfectly then i go and stop again at idle it will shake the whole truck, the motor mounts are good, no oil in the icp sensor, runs good down the road and only happens at a stop in park and drive. no ses light any input would be greatly appreciated it really annoying.
Senior User
Joined: Dec 2005
Posts: 102
Likes: 0
From: Callaway, MD
I had similar problem. No CEL but rough idle usually after the truck had warmed up. I hooked up a diagnostic tool and it was showing the high pressure oil to the injectors was low during idle. I replaced the IPR and it runs great now. I picked up a brand new IPR on ebay for about $100.
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
I had similar problem. No CEL but rough idle usually after the truck had warmed up. I hooked up a diagnostic tool and it was showing the high pressure oil to the injectors was low during idle. I replaced the IPR and it runs great now. I picked up a brand new IPR on ebay for about $100.
