Hybspec

P0401F

Średni

EGR — Insufficient Flow (Ford)

OBD-II (EN): EGR Flow Insufficient

Code P0401F — EGR — Insufficient Flow (Ford). Symptoms: check engine light. Possible cause: clogged EGR with carbon (1.6 TDCi). Professional diagnosis recommended.

Symptoms

Check engine light, jerking, increased emissions

Possible causes

Clogged EGR with carbon (1.6 TDCi, 2.0 TDCi), faulty pneumatic/electric EGR valve

Affected systems

Silnik spalinowyUkład wydechowyEGR

Related codes

Universal version

Manufacturer variants (extensions):

Does code P0401F require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.