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Repair Topics / Cold
Enrichment Valve
Cold Enrichment Valve
Questions and Answers This
category contains featured questions as
examples. They relate to most vehicles.
Question: 1998 Audi a4
mileage: 102,000. I just replaced the
external fuel filter and ever since only
when it is cold it has a hard time staying
running until it warms up after 10-15
minutes. Once it is warmed up, it runs
great. Someone mentioned a cold enrichment
valve. I am not sure what that is.
Answer: The cold enrichment valve is
only active during cranking when the engine is
cold. Check electrical connector in the engine
compartment. One may have been "bumped" while
the fuel filter was changed.
Repair Topics / Cold
Enrichment Valve
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