96 Powerstroke Rough Idle

a4t1rat · #1 (**permalink**) 03-29-2011, 07:38 AM

I need some input. I have my friends 96 powerstroke and it has a pretty rough idle ... almost like a miss. no codes and seems to run ok on the road. my first thought was the valve cover gaskets or under valve cover harness as my excursion did the same thing except I got codes on it any thoughts? Thanks

1-TON · #2 (**permalink**) 07-02-2011, 08:25 PM

BUMP. Did you find the problem? My 95 is doiing the same. Rough idle kinda lopey, but it also runs fine down the road hot or cold.

96F350KID · #3 (**permalink**) 07-02-2011, 08:48 PM

Fuel Filter or FPR screen also if you have a 5 speed the clutch. Also what happens is when the fuel pump gets old it causes the fuel pressure to flutter and the engine RPM will go with it

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