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?
Wednesday, November 9th, 2011 AT 1:56 AM

10 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 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
  • 110,176 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
  • 110,176 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
  • 110,176 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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