Stalling
Thread Starter
Rennlist Member
Joined: Sep 2009
Posts: 2,095
Likes: 503
From: Ontario Canada
Stalling
Car runs beautifully
perfect
but when I come to an intersection and brake..rev drops..stalls
start up and go, all good
.next intersection stalls. Does this about four times then after about 10 minutes, simply stops stalling - all good again.
Clearly a little unnerving particularly if my wife is driving. Any ideas/ theories? It running beautifully today.
Anything to start chasing down?
Clearly a little unnerving particularly if my wife is driving. Any ideas/ theories? It running beautifully today.
Anything to start chasing down?
Drifting
Joined: Dec 2019
Posts: 2,612
Likes: 1,696
From: New Jersey
Have you checked/cleaned the ISV (idle speed valve)? https://rennlist.com/forums/993-forum/1284047-isv.html
Last edited by boomboomthump; Apr 16, 2024 at 10:22 PM.
Rennlist Member
Joined: Oct 2007
Posts: 4,027
Likes: 995
From: Racking up air miles....
ISV was the first thing I thought of also.
Can be a PITA to remove but there are good DIY's & tips. it's been 12 years or so but I think I remember spraying the rubber sleeve/grommet that holds the ISV with PB Blaster and letting it soak in overnight to help.
Can be a PITA to remove but there are good DIY's & tips. it's been 12 years or so but I think I remember spraying the rubber sleeve/grommet that holds the ISV with PB Blaster and letting it soak in overnight to help.
RL Community Team
Rennlist Member
Rennlist Member
Joined: Jul 2004
Posts: 10,572
Likes: 2,037
From: Dallas, TX
Hi Overdraft,
The page below discusses root causes of idle and poor running issues:
https://993servicerepair.blogspot.co...r-robbing.html
Andy
The page below discusses root causes of idle and poor running issues:
https://993servicerepair.blogspot.co...r-robbing.html
Andy
Drifting
Joined: Dec 2019
Posts: 2,612
Likes: 1,696
From: New Jersey
I'll "eat my hat" if it's not the ISV. When you yank it out I'm sure you'll find it's all gummed up with oil residue. Get a can or two of carb or brake cleaner, remove the ISV and start spraying.
When you shake/rotate the ISV like a you should hear the valve moving around freely, like this:
When you shake/rotate the ISV like a you should hear the valve moving around freely, like this:
Last edited by boomboomthump; Apr 19, 2024 at 10:56 AM.
Thread Starter
Rennlist Member
Joined: Sep 2009
Posts: 2,095
Likes: 503
From: Ontario Canada
I'll "eat my hat" if it's not the ISV. When you yank it out I'm sure you'll find it's all gummed up with oil residue. Get a can or two of carb or brake cleaner, remove the ISV and start spraying.
When you shake/rotate the ISV like a rattle drum you should hear the valve moving around freely, like this:
https://vimeo.com/936635095
When you shake/rotate the ISV like a rattle drum you should hear the valve moving around freely, like this:
https://vimeo.com/936635095
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Thread Starter
Rennlist Member
Joined: Sep 2009
Posts: 2,095
Likes: 503
From: Ontario Canada
I'll "eat my hat" if it's not the ISV. When you yank it out I'm sure you'll find it's all gummed up with oil residue. Get a can or two of carb or brake cleaner, remove the ISV and start spraying.
When you shake/rotate the ISV like a rattle drum you should hear the valve moving around freely, like this:
https://vimeo.com/936635095
When you shake/rotate the ISV like a rattle drum you should hear the valve moving around freely, like this:
https://vimeo.com/936635095
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