If it were fuel injection, we could tell you with a 90% certainty what they
However, the last of the carbs are far too complicated to do that.
You didnt mention whether it just started that.. or if you bought the car
and it has always done it.
COULD be the idle jets plugged or the throttle kicker or dashpot bad or
not working... or a leak in the carburetor allowing too much fuel.
Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!
It's been a long time since I worked on that model carb' but I recall
that one or both of the two fuel metering jets can become loose in the
carb' body and this can cause an erratic idle along with poor
drivability. Ford issued a TSB for that problem. The jets are made of
brass and they're threaded into the carb'. You can see them when you
look down the throat of the carb' with the choke plate wide open. They
have a small hole in the middle and a slot for a flat bladed screw
driver. You can try tightening the jets but be careful not to chip the
soft brass with the screw driver blade.
Another possibility is the choke pull off mechanism. It might be
sticking and this can effect the idle speed. Also the throttle cable. I
can think of some other things but you've got a pretty old carb' there,
so it's probably due for a rebuild or replacement in any case. How many
miles does the car have? You must be located in an area where cars don't
rust much. I haven't seen an 85' Escort in my area for at least ten years.
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