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DBW pedal is 100% WOT at 1/2 pedal travel

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Old 02-18-2011, 09:23 AM
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Originally Posted by CalEditor
Can you send me a scan
Can you dummy that down for me a bit? Is that something I can do with HPTuners?

I'd be more than happy to do it
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Old 02-18-2011, 06:04 PM
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Looking for an HPT scan of the APP, TPS, and commanded Throttle angle when this occures
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Old 02-19-2011, 07:11 AM
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[QUOTE=Jim_PA;14521137]
Originally Posted by Old Geezer

As much as I dislike being defeated by something like this, it's probably what I will do with spring being right around the corner.
I have an 05 truck pedal, with the really long pedal arm. No way would it fit in my 55, so I had cut it down a bunch. Doing that changed the ratio of pedal movement to signal level.
The pedal is still too far off the floor to be comfortable. So, I scanned the movement, and found it's at 100% far from the stop. I'll lower the pedal, and go from there w/ a relocated stop....

I've not looked at the mounting of the sensor yet. But, I wonder if the holes could be redrilled, and the entire unit rotated????

I'm thinking about the same!! Spring is already here, in GA. I need to ride!!
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Old 02-23-2011, 04:23 PM
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Well, something looks suspect in the scan to me. ETC Position 72%, Pedal position 20%?

Screenshot and hpl log attached.
Attached Thumbnails DBW pedal is 100% WOT at 1/2 pedal travel-capture.jpg  
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File Type: hpl
app.hpl (13.1 KB, 102 views)
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Old 02-24-2011, 07:04 PM
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Here's an ETC scan of my stock 2004 Yukon
Attached Thumbnails DBW pedal is 100% WOT at 1/2 pedal travel-capture2.jpg  
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app2.hpl (9.4 KB, 147 views)
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Old 02-24-2011, 09:47 PM
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Yukon


Truck


I will get some better pictures
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Old 02-24-2011, 09:49 PM
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I see the issue now.
I can fix that
I will build another tune for you
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Old 02-25-2011, 07:21 AM
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Originally Posted by CalEditor
I see the issue now.
I can fix that
I will build another tune for you
'common man, the suspense is killing me Wha't the secret code that's been messing with my gas pedal?
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Old 02-28-2011, 09:49 AM
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no need to try to run that last one.

What type of flywheel do you have? Iron?
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Old 02-28-2011, 09:55 AM
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Originally Posted by CalEditor
no need to try to run that last one.

What type of flywheel do you have? Iron?
It's billet steel - I sent you an email with the results from the file you sent me on Friday - pedal seems closer (might be correct), but it's throwing U0107 on start-up, and throttle motor dies at 85% TPS.
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Old 02-28-2011, 10:15 AM
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Originally Posted by Jim_PA
It's billet steel - I sent you an email with the results from the file you sent me on Friday - pedal seems closer (might be correct), but it's throwing U0107 on start-up, and throttle motor dies at 85% TPS.
I built it off a different T-Body setup. Wasn't thinking about it hard enough

DBW pedal is 100% WOT at 1/2 pedal travel-43567.jpg
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Old 02-28-2011, 10:22 AM
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Originally Posted by CalEditor
I built it off a different T-Body setup. Wasn't thinking about it hard enough

Attachment 281889
Ahh OK- looks like the base of the tune was from a Corvette? I liked the fact that it seemed to be more 6-speed friendly, had M6 smoothing settings and everything.
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Old 02-28-2011, 11:33 AM
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Not Y-body

I will look again tonight for a good starter file
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