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Running Rough

Tiny
MATTHEWSDJ
  • MEMBER
  • 1995 PONTIAC TRANS AM
  • V8
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
I have fuel in my oil, 1995 Trans Am 5.7 litre V8, What condition's would cause this?
Saturday, December 18th, 2010 AT 6:13 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Many things could cause this, a misfire, temp sensor, clogged air filter. Has the check engine light come on?
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Tuesday, December 21st, 2010 AT 2:24 PM
Tiny
MATTHEWSDJ
  • MEMBER
  • 3 POSTS
I changed air filter & all spark plugs & found a large vacuum leak at the intake, rubber seal had large tear at intake by clamp. There doesn't seem to be adequate pressure on fuel relief schrader valve, if fuel pressure regulator diafghram is ruptured would this account for fuel in the oil? The check engine light is not on. THX
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Tuesday, December 21st, 2010 AT 4:24 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Chances are because of the vacuum leak, the fuel isn't getting burned and is getting past the rings. Have you repaired the problem?
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Tuesday, December 21st, 2010 AT 5:35 PM
Tiny
MATTHEWSDJ
  • MEMBER
  • 3 POSTS
I repaired the vacuum leak & changed the temp sensor, & it fixed the problem, THX so much !
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Friday, December 31st, 2010 AT 2:31 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Great! I wish you and your family a great new year and thanks for using 2carpros. Com. Also, let us know if you have questions in the future.

Joe
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Friday, December 31st, 2010 AT 9:35 PM

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