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Stalls When Warm

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Old Apr 21, 2018 | 09:36 AM
  #1  
bobs66440's Avatar
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Default Stalls When Warm

I have a modded (Vette Drs) 50th Anniversary Convertible. It starts right up and runs perfect when it's cold or hot, but when it sits for maybe 10 minutes, like when getting gas or stopping at a convenience store, it will start then stall. It will not idle unless I keep my foot on the throttle. If I put it in gear it will idle ok. It takes 2 or 3 tries before it will return to normal. Anyone have any experience with this? I tried cleaning the MAF sensor with no results. Thanks!

Just for reference:

4 Speed Automatic
1SC package
419rwhp
Vette Doctors Head/Cam package - Ported and Polished LS6 heads, Custom camShaft, upgraded springs, double roller timing chain, etc.
Stainless American Racing Headers
Stainless Corsa Touring Exhaust w/GTR tips
Halltech Stinger Intake
3.42 rear end (Z06)
Hardened output shaft.
Vigilante 2800 stall converter
Elite Engineering tunnel plate
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Old Apr 21, 2018 | 02:16 PM
  #2  
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From: Allentown PA
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A lot of times it has to do with the MAF/air temp sensor getting heat soaked and throwing the fuel mixture off. If so, VD'S can correct this in their tune.
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Old Apr 23, 2018 | 09:52 AM
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If its in the tune, probably won't set a code
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Old Apr 23, 2018 | 10:11 AM
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From: Guinness Its whats for B'fast JAWGA
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Could be a leaking injector. You may want to pull the spark plugs after it has sat for a while.
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