What does it do when it fails? Any backfire? Does it just abruptly
lose all power, or gradually slow down, or ...? When you give it more
gas, do you get any response? Do you hear anything?

And, for how relatively little it costs, I'd probably replace the coil.


On Fri, 8 Sep 2006 13:35:13 -0400, "unr" > wrote:

>I just checked the records and both the throttle position sensor and the air
>control valve *were* replaced. Neither of these fixed the problem.
>
>The fuel pump has not been replaced but the pressure checked fine in the
>Chevy dealership.
>
>The coil has not been replaced.
>
>
>"unr" > wrote in message
et...
>> 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.
>>
>>
>>
>