I don't know what that engine has, so this may not apply. But, we had a
Buick of (IIRC) 1980's-vintage that acted like that. The problem was a
bad intake airflow sensor.

Other vague memories: EGR? vacuum leak?

G


On Thu, 7 Sep 2006 17:31:56 -0400, "unr" > wrote:

>Intermittent Power Loss in 1989 Chevy G10 Van with 305
>
>For 10K the van loses power intermittently for 1 to 10 seconds then comes
>back to normal power. It happens at all speeds from thruway to idle. A
>variety of shops including a Chevy dealer have failed to eliminate the
>problem. The following have been checked or replaced: fuel pump pressure
>checked, fuel filter replaced, spark plugs and wires replaced.
>
>Does anyone have experience with this specific probem on this vehicle engine
>or similar?
>
>Any guidance would be appreciated.
>
>