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What is the code p0303 on ford econoline?

P0303 is a diagnostic trouble code (DTC) for a misfire in cylinder 3. This means that the engine is not firing properly in cylinder 3, which can cause the engine to run rough, stall, or lose power.

There are several possible causes for a P0303 code, including:

* A bad spark plug

* A bad spark plug wire

* A bad ignition coil

* A bad fuel injector

* A faulty oxygen sensor

* A vacuum leak

* A low compression

If you are experiencing a P0303 code, it is important to have your vehicle diagnosed by a qualified mechanic to determine the cause of the problem and to have it repaired.

Here are some additional symptoms that may accompany a P0303 code:

* Rough idle

* Engine hesitation

* Stalling

* Loss of power

* Check engine light on