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Old 10-20-2014, 04:12 PM   #1
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Idle issue when starting - warm only

Clutch, flywheel all new. new IMS. 22,000 miles. Car just started hunting idle during start up when car is warm. WARM only. Ie drive car for half hour, park it, then start it up 15 -30 min later and this happens. Sometimes worse than others. This is on my 996. Any thoughts? That is NOT me blipping throttle..that is the car hunting idle. No cel...

Porsche 996 idle issue - YouTube

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Old 10-20-2014, 05:40 PM   #2
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Have you cleaned your throttle body lately???
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Old 10-20-2014, 05:59 PM   #3
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Quote:
Originally Posted by Jager View Post
Have you cleaned your throttle body lately???
Never done that...
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2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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Old 10-21-2014, 04:56 PM   #4
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Clean the Throttle Body
Engine Throttle Body Explained - 2CarPros
http://986forum.com/forums/general-discussions/36934-clean-those-throttle-bodies.html
Hunting Idle
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Old 10-21-2014, 06:20 PM   #5
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This sort of thing can happen when there is a restriction in the vent line (or defective valve) part # 996 110 129 04
At worst, the RPM will kangaroo and stall. This happens when the car is warm and has been sitting for 10 or 20 minutes. Cold start is good. Immediate hot start is good.
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Old 10-22-2014, 12:50 PM   #6
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Quote:
Originally Posted by NewArt View Post
This sort of thing can happen when there is a restriction in the vent line (or defective valve) part # 996 110 129 04
At worst, the RPM will kangaroo and stall. This happens when the car is warm and has been sitting for 10 or 20 minutes. Cold start is good. Immediate hot start is good.
Yes that's exactly it...Immediate hot start ok...cold start ok...10-15 min sit and it happens...

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2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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