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Q: dies after 20 25 minutes on 1991 Buick Century

Enthusiast 01be16a5a93688912f14755221fb15211b518d9a788cf01b455e03cc1bd585ac
we have a buick that stalls out after engine runs an will not restart have had ecm maf crank sensor coil packs and ignition module replaced an the problem still remains. any idea
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Start right back up when it stalls? If not at that time check for ignition fire or spark. If GOOD HOT spark then focus on the fuel system. Need pump pressure reading!
no it will not restart until it has cooled down but yet I have 40psi on fuel an shows great spark
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