1991 buick regal 3.1 stalls out when accelerating hard only when cold?

  • Thread starter Thread starter kerikram
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kerikram

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it has a new fuel pump, fuel filter, pcv valve air filter, spark plugs and wires, coolant temp sensor, idle air controler, crankshaft sensor. I a\have done the re-learn process but it will still stall when I put it under heavey load when cold. after it stalls out it will start back up. once it is warm it does not have this problem.
 
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