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1999 Pontiac Sunfire starting

Tiny
KOHOKO
  • MEMBER
  • 1999 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 250,000 MILES
My 99 sunfire has trouble staing on the first try. Starts fine after first start. But after it sits it rolls over till it sarts. Ive did ther ruel filter and there is no fuel leak any ideas
Thursday, March 11th, 2010 AT 12:39 PM

3 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
You could have a weak fuel pump. Best thing to do is check your fuel pressure, it should be 40p.S.I. Also your fuel regulator could be letting fuel back to the tank and you have to let it build up pressure before it starts. A pro can check these things out for you. Also have the engine scanned for codes as well. Well first we need to verify which component we are missing when this no'start occurs, here is some info on how to check this
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Thursday, March 11th, 2010 AT 2:05 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm
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Thursday, March 11th, 2010 AT 2:06 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
https://www.2carpros.com/how_to/how_to_test_an_ignition_system.htm
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Thursday, March 11th, 2010 AT 2:07 PM

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