1989 Chevy Beretta possible ECM problem

Tiny
JHENRY
  • MEMBER
  • 1989 CHEVROLET BERETTA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 12,000 MILES
I have a 1989 chevy beretta 2.8 gtu automatic and it will run and idle like a dream for about 30 mins then the idle will accelerate and sometimes stall, but it will not throw a check engine light and when hooked up to a computer all systems diagnose working properly. Please help
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Sunday, October 18th, 2009 AT 1:37 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked fuel pump pressure? Also, have you checked for vacuum leaks? Finally, has the fuel filter been replaced in the recient past?

Let me know.
Joe
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Monday, December 21st, 2009 AT 9:48 AM

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