how do i fix code po300 on ford taurus

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1 Answer

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anonymous · Answer 1 · 2017-12-10T17:44:13+0000

if you have not changed your spark plugs under regular maintenance, start there and check for intake leaks.

Possible causes

- Faulty spark plug (s)

- Faulty ignition coil (s)

- Clogged or faulty fuel injector (s)

- Intake air leak

- Fuel injectors harness is open or shorted

- Fuel Injectors circuit poor electrical connection

- Ignition coils harness is open or shorted

- Ignition coils circuit poor electrical connection

- Insufficient cylinders compression

- Incorrect fuel pressure