CHEVY POSSIBLE ECM PROBLEM

1989 Chevrolet Beretta

Tiny

jhenry

October, 18, 2009 AT 1:37 PM

Electrical problem
1989 Chevy Beretta 6 cyl Front Wheel Drive Automatic 120, 00 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

1 Answer

Tiny

Jacobandnickolas

December, 21, 2009 AT 9:48 AM

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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