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Postagem original de: Eric Viitala ,

Texto:

There are several different causes depending on the year and engine.  If you provide that, I can steer you toward a possible solution.  Let me know the year, engine model, and whether it is carbureted or fuel injected.

Some causes:

-vacuum leak

-egr valve damaging fuel line (Toyota recall)

-fast idle valve coolant tube clogged

-fast idle adjustment

-throttle position sensor malfunction

FYI

Status:

open