Intermittent rough idle
#1
Intermittent rough idle
I started the truck last night after cooling from a full day of running and the engine was idling rough (groaning noise with the vibration) intermittently. It was almost like the vibration was cycling in a pattern. I shut it down, counted to ten, key cycle for codes (none) and restarted and was ok. Anyone else get this?
#3
Took a day off yesterday and ran it today and ran like a champ. I was going through real heavy rain and wild weather before it acted up. I wonder if I had a weird sensor signal or if there was a brain fart in the ECM or PCM? My mileage is right on, fuel pressure is 16/13, throttle response is great and has all the power it usually has. I'll keep an eye on it.
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