2000 Buick Regal car wont start sometimes in summer

170,000 MILES • 6 CYL • FWD • AUTOMATIC
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JULEDAWNB
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My car was acting up last summer not wanting to start, it turns over but kinda acts like its out of gas, sometimes if u wait a bit it will start right up. Sometimes it will die going down interstate or just driving thru town. Then winter hit and no problems all winter. Now its summer and we are having problems again! Everyone has suggested fuel pump but you can hear the pump working. I have done some research that maybe it might be main relay or fuel regulator. Would it have something to do with ambient temperature and what within the engine has problems because of the ambient temp?? Please help
Jun 5, 2010 at 6:39 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure with a guage designed for your fuel system to rule out a failing fuel pump
Jun 6, 2010 at 12:21 AM
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JULEDAWNB
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  • 2 POSTS
but why would it only do it in the summer if its the fuel pump?
Jun 6, 2010 at 5:22 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Dunno why, but you need to troubleshoot it hot or cold to determine the cause between fuel and spark.
Jun 6, 2010 at 7:13 AM
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