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Old 06-18-2010, 11:48 AM   #1
dmeray1
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Stalling question

I have your SVT tune and have been running it for almost two months with no problems except trying to keep my foot out of the throttle... In the last week the engine is stalling when I roll to a stop almost like the stock tune did. It was working fine till then. Is there any adjustment I can make via the predator to increase the idle? Instructions to do so or is there anything else you can suggest.
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Dan


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Old 06-18-2010, 12:37 PM   #2
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Do me a datalog and lets see why its happening , after 2 months something has changed , could be as simple as a o2 , tps etc but lets see first

Do a 4 min idle , 4 min drive/cruise , 4 min idle

Tom
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Old 06-18-2010, 01:01 PM   #3
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Tom, I was searching for instructions for datalogging and stumbled in to a thread were they were getting P0133 and P1246 codes...It turns out I had those codes a few days ago. I cleared them with the predator and they have not come back. Is this pointing at the O2 sensor? (The sensor is only a year old btw) Then I would be making 3 files, correct? Also, I live on dirt roads so should I do the drive/cruise part on paved roads and should I be aggressive or spirited on the drive? Just to confirm, my rear O2 sensor is not being used any longer with your tune?
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Dan
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Old 06-18-2010, 04:34 PM   #4
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check your fuel filter aswell
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Old 06-18-2010, 05:45 PM   #5
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Fuel filter wouldnt cause a stalling issue and it still be running and driving

ONE log only , does not matter where you drive it , rear o2 is off

Tom
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Old 06-18-2010, 09:09 PM   #6
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Quote:
Originally Posted by 1turbofocus View Post
Fuel filter wouldnt cause a stalling issue and it still be running and driving

ONE log only , does not matter where you drive it , rear o2 is off

Tom
Filter is new...I will log tomorrow.
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Old 06-22-2010, 02:38 PM   #7
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Tom,
Log was sent to your AOL addy. Took me awhile to get it downloaded because of USB to serial converter....
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Old 07-07-2010, 08:54 AM   #8
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Tom...I installed new plugs and it is not stalling any longer. However, it still seems like it is "trying" to stall whenever I come to a stop especially with the AC on. I will send a new log for you to look at. Is there a particuar area you are looking at?

Also, is there anything I can do about throttle response. I ported my throttle body and I know you did not think it would do anything. Is there anything you recommend to help this?
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Old 07-07-2010, 11:10 AM   #9
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Did you try a TB , porting does nothing as I am sure you now know

Tom
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Old 07-09-2010, 08:24 AM   #10
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Tom, I sent new log via email.
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