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Old 05-12-2021, 10:16 AM   #5
Davidf
Registered User
 
Join Date: Nov 2014
Location: Austin
Posts: 618
Re: LS swap fires then quits

Maybe check fuel pressure. You have enough gas in tank, right!

Maybe crank sensor...but usually that is a no start situation, not a run and stop scenario.

Hope you get if figured out. Soon I will have my 2001 5.3L dropped in my '71...I am always nervous what is happening to you will happen to me. I too had LT1SWAP reprogram my ECM/PCM.

EDIT: Per other thread...check for massive vacuum leak...such as leaving a port on the manifold wide open.

Last edited by Davidf; 05-12-2021 at 10:38 AM.
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