intermittent '747 problem

[Marc Piccioni]

Has anyone ever seen a '747 flash the check engine light really fast < 0.5
sec intermitently. This seem to occur when aduible knock occurs but can
occur without any other symptoms. Occasionally a slight hesitation
occurs.........???????

This is a 350 TBI swap into a 83 malibu, the swap itself is over a year old
and this just started now.....??? Before this the only time the SES light
would come on is on the highway after ~40 mins of constant state driving.

I have not check anything yet as  -25F weather makes for cold fingers......

Otherwise the engine seems to run fine, start good, good fuel economy, plugs
were pulled yesterday and are a little bit on the lean side.

/Marc

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