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Runs rough 4 to 5 mins shuts off codes P0300 P1514

Tiny
KEITHBALDWIN01
  • MEMBER
  • 1999 CHEVROLET CAMARO
  • 165,000 MILES
1999 Chevy Camaro 40 psi starts butt shuts off some days runs rough 4 to 5 mins shuts off codes p0300 p1514 I am stuck up the creek with no paddle need help? P0300, misfire in cylinder, p1514, throttle body sensor, also 1516, also tbs could it be fuel pump?
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Wednesday, November 9th, 2011 AT 1:56 AM

10 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
It could be fuel pressure. Have you checked it?
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Wednesday, November 9th, 2011 AT 2:03 AM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
Yes about 40psi when key is on.
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Wednesday, November 9th, 2011 AT 2:24 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
I looked up the specs. The 3.8L should have between 48 and 55psi. The 5.7L should be between 55 and 60psi. Which engine do you have?
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Wednesday, November 9th, 2011 AT 3:23 AM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
3.8 L v6
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Wednesday, November 9th, 2011 AT 5:48 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
It should be 48 to 55psi. You are a little low.
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Wednesday, November 9th, 2011 AT 6:00 AM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
Yes about 40psi when key is also my service engine soon lights on blinking so put scanner tool and it gave some codes p0300 p1514 first ones a misfire cylinder, p1514, throttle body sensor, can a failing fuelpump make the service engine soon light come like that. Thank you so much 4 ur help. GOD BLESS YOU ALL
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Wednesday, November 9th, 2011 AT 6:48 AM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
And could it be pressure regultor?
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Wednesday, November 9th, 2011 AT 7:07 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Yes, it could be the regulator.
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Wednesday, November 9th, 2011 AT 4:06 PM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
I checked the regulator and it was the problem :-)
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Friday, November 11th, 2011 AT 7:38 AM
Tiny
KEITHBALDWIN01
  • MEMBER
  • 7 POSTS
Thanks 2Carpros. Com you guys are the best!
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Friday, November 11th, 2011 AT 8:56 AM

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