Engine runs rough after warm up

1992 PONTIAC FIREBIRD
35,000 MILES • 5.0L • V8 • 2WD • MANUAL
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MACHIV
  • MEMBER
  • 3 POSTS
Engine runs smooth till warm up then when accelerating it starts to stumble under acceleration through the gears. Standard five speed
Mar 23, 2014 at 12:19 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan for codes and check fuelpressure with a gauge 41-47 psi
Mar 23, 2014 at 2:04 AM
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MACHIV
  • MEMBER
  • 3 POSTS
Thank you for your response all roads lead to diagnostic check in lieu of just changing parts thank you for your time
With kind regards
Bob
Mar 23, 2014 at 10:58 AM
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