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car choking?

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Old Oct 7, 2012 | 11:15 PM
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car choking?
I have a problem with my car, If I rev match when downshifting and I'm slowing down to a stop and I push the clutch to take it out of gear, the rpm's will drop to about 500 and then go to normal idle. However sometimes the car will just completely die and shut off. Not sure what the problem could be...anyone else have any issue like this?
 
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Old Oct 8, 2012 | 01:03 AM
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I'm in the same boat ... can't figure it out ...

I tried testing for boost leaks - NONE
Split fuel pump line - NONE
Had my Durametric run read - NONE

So I'm kinda annoyed by it ... if anyone can help me ... will name my first born after ya ....
 
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Old Oct 8, 2012 | 09:53 AM
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do any of you have aftermarket tunes?
 
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Old Oct 8, 2012 | 11:01 AM
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That could easily be a coil/plug issue. Do you guys experience any hesitation as well?
 
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Old Oct 8, 2012 | 12:37 PM
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anyone have a light weight fly wheel?
 
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Old Oct 8, 2012 | 02:35 PM
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Bone Stock ... plugs and oilpacks just replaced about a month ago ... OEM clutch ... yes, there's a slight hesitation.
 
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Old Oct 8, 2012 | 02:40 PM
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Coils are pretty well luck of the draw. I used to replace them one at a time when they failed - until I bought the BBI coil packs. Now I don't replace them at all. You may have put in new ones, but one of them isn't 100%. It's no easy task finding the one that's causing trouble either. (That's why I paid the big bucks for BBI)
 
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Old Oct 8, 2012 | 02:52 PM
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I have had this issue before replacing the plugs/coils.
 
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Old Oct 8, 2012 | 04:32 PM
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i do have a softronic tune and oem clutch/flywheel. spark plugs were changed less than 10k ago so maybe its the coil packs? any way to know for sure?
 
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Old Oct 8, 2012 | 05:13 PM
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10k is a bit longer then i would go with plugs , i would replace the plugs and the coils at the same time, since your there.

if that dosent work , then on to the next,
 
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Old Oct 8, 2012 | 05:45 PM
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Clean/replace maf?
 
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Old Oct 8, 2012 | 06:57 PM
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Disconnect batt and reset the tb. search for it, it corrected my hunting and stalling problem. Cleaning the maf would be my second recommendation.
 
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Old Oct 9, 2012 | 07:53 AM
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what gap are you running on the plugs?
 
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Old Oct 9, 2012 | 10:14 AM
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Disconnect batt and reset the tb. search for it, it corrected my hunting and stalling problem. Cleaning the maf would be my second recommendation.
+1

How many miles do you have on your car? I would suspect the coil packs though. Hope you get it figured out, I know it's annoying when you can't pinpoint the problem.
 
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Old Oct 9, 2012 | 02:14 PM
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Originally Posted by ECS Tuning - Porsche
+1

How many miles do you have on your car? I would suspect the coil packs though. Hope you get it figured out, I know it's annoying when you can't pinpoint the problem.
Coilpacks and plugs are brand new.
MAF changed about a year ago.
No boostleaks
Disconnected the battery a few times
Fuel pump hose not split

still chokes every so often ... I have to blip the throttle when slowing down to a stop so I'm sure not to stall.
 
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