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Stall after start?

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Old Oct 10, 2008 | 03:58 PM
  #1  
British Rich's Avatar
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Senior Member
 
Joined: Jun 2007
Posts: 251
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From: Clearwater, FL
Car: 92 Camaro RS
Engine: 305
Transmission: Auto
Axle/Gears: Stock
Stall after start?

My car has started first time EVERY time as my daily driver for the 18 months I have had it.

This past week though sometimes it will fire up as normal, but when the initial RPM spike comes back down it just stalls. Second start works fine.

Any suggestions of where to start problem solving would be GREATLY appreicated

PS - So far seems to be only when re-starting a HOT engine.

Thanks in advance
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Old Oct 11, 2008 | 06:45 PM
  #2  
Nixon1's Avatar
Supreme Member
 
Joined: Jul 2001
Posts: 3,931
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From: Palm Bay, Florida, USA
Car: 95 E-150 & 07 Kawasaki ZX-6R
Engine: A slow one & a fast one
Transmission: A bad one & a good one
Axle/Gears: A weak one & a chained one
Re: Stall after start?

Originally Posted by British Rich
My car has started first time EVERY time as my daily driver for the 18 months I have had it.

This past week though sometimes it will fire up as normal, but when the initial RPM spike comes back down it just stalls. Second start works fine.

Any suggestions of where to start problem solving would be GREATLY appreicated

PS - So far seems to be only when re-starting a HOT engine.

Thanks in advance
I haven't been on this board since maybe a year ago.....and I haven't owned a 3rd gen since I was 18 (I'm 24 now!), but I'll throw a few ideas out there.

Check the TBI injectors for leaking that could possibly be slightly flooding the motor after a warm shutdown. Hook up a fuel pressure gauge to the rail if this is an option.....if it's a fuel pressure-related issue, it could tell you a lot.

I'd also check and clean your IAC valve.

Check for small vacuum leaks.

Check base ignition timing.

Check base warm idle speed.

Lots of possibilities and not every motor reacts the same even when the problem is. Check the simple things first and work your way forward. Hope this helps.
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