My 94 Escort recently developed this problem. When the engine is revved
> to about 2000 rpm and suddenly, by letting the gas off, allowed to run
> down to idle, the engine will stall. Otherwise, the engine idles and
> runs fine. I think that this condition is called "engine idle
> recovery". The typical stuff, like air cleaner, bad gas, ect. have
> been found not to be the cause. Because of mileage, 140000, I'm
> thinking it might be a sensor. I used an $30 Actron code reader to test
> the ecu for codes and I was not sure if I was understanding how to count
> the beep signals correctly. What I got was either a "111-1-111" system
> pass code, or a "33-1-33" system EGR-type problem code. Any probable
> causes for this type of idle problem?
>