diagnostic code 65

1988 buick lesabre 3800 engine. service light came on can not tell any
difference in engine performance. used the jumper wire on the aldl to
retrive the trouble code 65. my haynes manual does not show any info on this
diagnostic code. can anyone please help me out with any info.

That should be a short or open in the EGR control circuit (could be
corrosion on the terminals). Rich B

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There are two classes of pedestrians in these days of reckless motor
traffic - the quick and the dead.
~ Lord Dewar 1933 ~

Climbing into a hot car is like buckling on a pistol. It is the great
equalizer. ~ Henry G. Felsen 1964 ~