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  #1  
Old 02-25-2012, 01:23 AM
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2001 7.3 Runs Rough

Has anyone ever had any problems with their 7.3 running what I would call rough while using the pedal but once setting cruise truck runs perfect?
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  #2  
Old 02-25-2012, 01:24 AM
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Seeing how this works
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  #3  
Old 02-25-2012, 01:31 AM
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You created this post at 11:23pm, when traffic isn't exactly heavy, and one minute later, you ask "anyone?"

Really? One minute?

Ohhhhhhhhh-kay.

Stewart
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1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
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  #4  
Old 02-25-2012, 01:33 AM
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Don't get your feathers up just trying to see how this works. Did not know if there was a way to have results sent to email? Seeing if my reply went anywhere except here my friend.
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  #5  
Old 02-25-2012, 01:35 AM
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Did get an email about your post so I appreciate you responding. Hopefully someone can actually respond with info later on. New at this so just trying to figure it all out.
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  #6  
Old 02-25-2012, 01:39 AM
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Quote:
Originally Posted by fgm3028 View Post
Did get an email about your post so I appreciate you responding. Hopefully someone can actually respond with info later on. New at this so just trying to figure it all out.
Your expectations for responses within the first minute are too much, even during the heaviest of times when users are on the forum bro. Just be patient. The guys will be on tomorrow morning and you should have some answers by mid-morning, hopefully.

Before that happens, is your truck stock? Also, do you have adjustable pedals?

Stewart

PS - My feathers weren't up, nor ruffled. But your expectations did make me laugh.
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The Brotherhood of FTE <-click the link
1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
Never Fry Bacon NAKED!
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  #7  
Old 02-25-2012, 01:45 AM
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Is stock and my pedal does not adjust to my knowledge.
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  #8  
Old 02-25-2012, 01:49 AM
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I do appreciate your help breaking me into this forum. First time on any forum not sure howall this works.
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  #9  
Old 02-25-2012, 01:49 AM
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Quote:
Originally Posted by fgm3028 View Post
my pedal does not adjust to my knowledge.
Crap, there goes that idea.

Does it run rough throughout the whole RPM band while your foot is on the accelerator? Does it only do it while accelerating or decelerating? How about when your foot is steady?

When the cruise is engaged, does the rough running come back if you accelerate using the cruise control and not the accelerator?

Stewart
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The Brotherhood of FTE <-click the link
1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
Never Fry Bacon NAKED!
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  #10  
Old 02-25-2012, 01:54 AM
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I do appreciate your help breaking me into this forum. First time on any forum not sure howall this works. Runs rougher at lower speeds but does continue throughout even when foot is steady. I can use cruise to accelerate and all is fine. Also fyi replaced pedal when I first bought truck last July. Also had an edge computer thing hooked up which I just unhooked and a superchip.
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  #11  
Old 02-25-2012, 01:54 AM
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Quote:
Originally Posted by fgm3028 View Post
I do appreciate your help breaking me into this forum. First time on any forum not sure howall this works.
No problem, we're gentle with the newbs.

Just FYI, forums are populated by guys who like to help each other out and who are addicted to their trucks (usually). We pool our knowledge and pass on information, but when it's this late at night, only night owls like me (usually on the west coast) are online. Once the sun comes up, the "population" increases and more guys will be online (awake and in front of the computer) and will see your thread. Hopefully out of the guys who are online, a few will see your post and chime in with some help or experience regarding your problem.

Stewart
__________________
The Brotherhood of FTE <-click the link
1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
Never Fry Bacon NAKED!
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  #12  
Old 02-25-2012, 01:56 AM
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Quote:
Originally Posted by fgm3028 View Post
Runs rougher at lower speeds but does continue throughout even when foot is steady. I can use cruise to accelerate and all is fine. Also fyi replaced pedal when I first bought truck last July. Also had an edge computer thing hooked up which I just unhooked and a superchip.
Ok, so your truck is not stock, but you have removed all tuners and chips and are back to stock? And the problem is still present when the Edge and Superchip is not hooked up?

Stewart
__________________
The Brotherhood of FTE <-click the link
1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
Never Fry Bacon NAKED!
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  #13  
Old 02-25-2012, 01:58 AM
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Oh ok I see what you mean now. And yes all tuners gone.
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  #14  
Old 02-25-2012, 02:00 AM
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I know the pedals have sensors because it's a fly-by-wire system without any mechanical linkage, but when a sensor becomes faulty, IIRC, the problem appears as a flat spot in the pedal.

Do you have an auto or stick trans?

Stewart
__________________
The Brotherhood of FTE <-click the link
1999 F150 Lightning: WMS built block, 6lb lower, Monsterbox, Truetrac, CF driveshaft
1999 PSD F250 SC 4x4: 38R, Stage 2's, T-500, JW trans, Live Tuned, lotsa Riffraff stuff
2000 PSD Excursion 4x4: 38R, JW trans, F5, MBRP, AFE, OBA and Pre-Pump, V & B codes
Never Fry Bacon NAKED!
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  #15  
Old 02-25-2012, 02:02 AM
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It ran good at first when edge unhooked but after about a hundred miles it was back running rough.
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Old 02-25-2012, 02:02 AM
 
 
 
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