2006 6.0 Idle issues - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 13 (permalink) Old 03-22-2014, 07:59 PM Thread Starter
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2006 6.0 Idle issues

I've got a 2006 F350 6.0 6 speed, and when I drop to an idle from cruising, the idle drops to about 680-690 and goes back up to 725ish. Also, intermittently the idle bounces around, or it sounds like it skips. Very random and intermittent. Running Gearhead's SRL tune if it makes a difference. Any ideas?
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post #2 of 13 (permalink) Old 03-23-2014, 11:45 PM
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Re: 2006 6.0 Idle issues

I had an 04 with 6speed that did the same thing. Never did figure out what caused it. Sorry I couldnt be more help, but you aren't alone!

2005 F350 CCLB Dually
Studded, deleted
5" straight piped
155/30's
KC Stage 1.5
Reg return
Beans sump to the stock pump
BPD FICM
Tuned by several...depends on my mood for the day.
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post #3 of 13 (permalink) Old 03-24-2014, 12:29 AM
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Re: 2006 6.0 Idle issues

does it do that stock?

sent from my smart car
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post #4 of 13 (permalink) Old 03-26-2014, 03:17 AM
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Re: 2006 6.0 Idle issues

bad ipr, most likely otherwise maybe a bad tps. but if you hook a scanner to it and watch the icp it should stay steady if its bouncing up and down then bad ipr.

sorry didnt see the tune thing, could be an issue with the tune.
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post #5 of 13 (permalink) Old 03-26-2014, 03:44 AM
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Re: 2006 6.0 Idle issues

My 04 did it stock and tuned. Could be unrelated though. I traded it before I bought AE, so I never watched numbers.

2005 F350 CCLB Dually
Studded, deleted
5" straight piped
155/30's
KC Stage 1.5
Reg return
Beans sump to the stock pump
BPD FICM
Tuned by several...depends on my mood for the day.
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post #6 of 13 (permalink) Old 03-26-2014, 04:52 AM
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Re: 2006 6.0 Idle issues

Could you fill out a signature or list some mods so we can get a better idea of what is done to the truck?
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post #7 of 13 (permalink) Old 03-26-2014, 02:34 PM Thread Starter
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Re: 2006 6.0 Idle issues

Yep, sorry about that. Still getting used to posting on forums. Just a 5 inch exhaust and SCT Livewire TS with Gearhead's SRL.

2006 F350 6.0 6 speed Dually 5 inch MBRP SCT 5015 with Gearhead SRL
1994 F250 IDI turbo 5 speed 4 inch lift
1999 4.0 Danger Ranger winter beater
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post #8 of 13 (permalink) Old 03-27-2014, 05:05 PM
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Re: 2006 6.0 Idle issues

What are the cylinder contribution rates when the problem occurs?
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post #9 of 13 (permalink) Old 03-31-2014, 06:39 PM
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Re: 2006 6.0 Idle issues

Mine is doing the same thing but RPM's stay consistent. Though mine is heavily modified, it does it stock and in the tune but it goes away if you put your foot on the brake or turn the AC on..... I have no clue.
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post #10 of 13 (permalink) Old 03-31-2014, 07:24 PM
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Re: 2006 6.0 Idle issues

I would still think its the spill ports. They will cause a notifiable miss.
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