Surging in overdrive ?
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Junior User
Joined: Jan 2010
Posts: 90
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From: Yucca Valley Ca.
Surging in overdrive ?
I am experiencing about 3 to 4 mile per-hour change in speed ( up and down ) going up a grade with the cruse control engaged , if I just hold the throttle in the same position it doe's not surge ?. I no this has to effect the milage and very annoying too boot. Doe's anyone have any ideas what is causing this issue ?
Thanks Bill
Thanks Bill
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Pull the chip off of your PCM and see if it still does it while on the original stock tune.
Make sure you don't have the keys in the ignition when you pull the chip. Also, "modified stock" (if you have that position on the chip) is not the same. You must pull the chip and try it with the programming on the PCM.
If it doesn't do it on the stock programming, contact Jody and tell him what the tune is doing while the cruise control is engaged so he can work his magic.
Stewart
Make sure you don't have the keys in the ignition when you pull the chip. Also, "modified stock" (if you have that position on the chip) is not the same. You must pull the chip and try it with the programming on the PCM.
If it doesn't do it on the stock programming, contact Jody and tell him what the tune is doing while the cruise control is engaged so he can work his magic.
Stewart
Tuned
Joined: Aug 2013
Posts: 344
Likes: 1
From: Phoenix, AZ
For what its worth on my V10 its done it both before and after my 5Star tune. Not a single difference.
Pull the chip off of your PCM and see if it still does it while on the original stock tune.
Make sure you don't have the keys in the ignition when you pull the chip. Also, "modified stock" (if you have that position on the chip) is not the same. You must pull the chip and try it with the programming on the PCM.
If it doesn't do it on the stock programming, contact Jody and tell him what the tune is doing while the cruise control is engaged so he can work his magic.
Stewart
Make sure you don't have the keys in the ignition when you pull the chip. Also, "modified stock" (if you have that position on the chip) is not the same. You must pull the chip and try it with the programming on the PCM.
If it doesn't do it on the stock programming, contact Jody and tell him what the tune is doing while the cruise control is engaged so he can work his magic.
Stewart
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Stewart
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Stewart
Tuned
Joined: Aug 2013
Posts: 344
Likes: 1
From: Phoenix, AZ
I know you were referring to him, its all good. I had hoped mine was computer related but Mike had said that the CC was completely seperate from the PCM. Although the tune has fixed EVERYTHING else wrong with it!
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Thread Starter
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Junior User
Joined: Jan 2010
Posts: 90
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From: Yucca Valley Ca.
I will be installing a DP on the X very soon and will check with Jody on this issue.Maybe the tuner is the fix !. I don't know history of the X, the PO may have flashed the PCM ?
Thanks Bill
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