Question about 1996 Buick Regal Olympic Gold

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Random misfire on first start gets worse w/ low gas

Car doesnt wanna start after sitting several hours w/o a touch of starting fluid. Then it purrs. After i drive it for a while and try to restart it starts right up but misfires and ses light comes on. i hold gas halfway to floor and after 20-30 secs car finally hits 2500 rpms and stays there on its own for bout 5 secs and then idles fine. It does this consistently but once it idles smooth doesn't miss again till next start. i believe it is fuel related. Thought maybe i had water in the gas and it was getting mixed w/ fuel while driving but i need help. Dont wanna replace fuel pump unnecessarily. Is there a way to test the fuel pump? How?

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  • Buick Master
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Change fuel filter if its okay check fuel pressure.

Posted on Apr 16, 2009

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Posted on Jan 02, 2017

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Error Code: P0300
Description:
Random/Multiple Cylinder(s) - Misfire Detected
Problem Area:
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Fuel Supply faulty.
Injector(s) faulty.
Ignition Cable(s) and/or Spark Plug(s) faulty.
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Check Ignition Cable(s) and Spark Plug(s).
Check Ignition Coil(s).
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http://sun-transport.com/Automotive-Repair-Tools/Exhaust-Back-Pressure-Tester/

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