Intermittent rough idle - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 01-24-2012, 03:55 PM Thread Starter
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Intermittent rough idle

Sometimes my e99 gets a rough idle. It seems like only after the truck is warmed up. It runs and idles fine when cold. Otherwise it runs great, has good power and good fuel mileage. Any ideas where to start looking? The truck is all stock with 192000 miles. I have only had it a month and did all the fluid changes when i first got it. Thanks for any help.

2003 XLT Excursion, 6.0, 4x4, 4" lift, 315" Toyo M/T
*SOLD*E99 XLT, crew cab long bed 4x4, 7.3, 203500 on the clock, black exterior with gray Katzkin leather interior, Beans 6 position chip, Recon billet torque converter, 6.0 trans cooler, RiffRaff 6637 intake, updated turbo with RiffRaff intake manifolds, Edge Insight, Magnaflow 5" exhaust,Firestone air bags, 10" lift, 4.88 gears, 38" Toyo M/T on chrome 20x12 Weld Dune 8's
2012 F450 Lariat 4x4, 6.7, all stock
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post #2 of 4 Old 07-29-2012, 11:50 AM
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Did you figure this out? I'm having the same slightly rough idle sometimes after its warmed up. Otherwise things seem to be fine.

Early 99 F250, Tuned by Gearhead, Diamond Eye 5", DIY intake, GS EGT/Trans/Boost, FRX, HPX, CCV, Schaeffers 9000, ELF7405, Stancor

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post #3 of 4 Old 07-29-2012, 04:38 PM Thread Starter
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Yes, my friend replaced the icp sensor and did nothing so then he put in a ipr valve or sensor..... not sure what its correct name is but it worked......... smooth as can be....... coming up on 200k miles probably next week.

2003 XLT Excursion, 6.0, 4x4, 4" lift, 315" Toyo M/T
*SOLD*E99 XLT, crew cab long bed 4x4, 7.3, 203500 on the clock, black exterior with gray Katzkin leather interior, Beans 6 position chip, Recon billet torque converter, 6.0 trans cooler, RiffRaff 6637 intake, updated turbo with RiffRaff intake manifolds, Edge Insight, Magnaflow 5" exhaust,Firestone air bags, 10" lift, 4.88 gears, 38" Toyo M/T on chrome 20x12 Weld Dune 8's
2012 F450 Lariat 4x4, 6.7, all stock
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post #4 of 4 Old 07-29-2012, 06:20 PM
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Nice! Thanks man

Early 99 F250, Tuned by Gearhead, Diamond Eye 5", DIY intake, GS EGT/Trans/Boost, FRX, HPX, CCV, Schaeffers 9000, ELF7405, Stancor

Next: A Better Trans Cooler, 35"s
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