P0402Średni
Układ EGR — nadmierny przepływ
Układ napędowy
Sprawdź szczegóły →P1400
ŚredniFault code P1400 indicates a malfunction in the exhaust gas recirculation (EGR) circuit control. In Ford/Lincoln vehicles, it refers to a low signal from the DPFE (differential pressure feedback EGR) sensor.
Code P1400 indicates a problem in the exhaust gas recirculation system, which affects engine operation and emissions. The most common cause is a faulty EGR valve or its sensor. To avoid further damage, it is advisable to diagnose the fault in a professional workshop as soon as possible.
Symptoms
Check Engine light illumination, increased fuel consumption, loss of engine power, rough idle, hesitation during acceleration, increased exhaust emissions.
Possible causes
Faulty or stuck EGR valve Contaminated or faulty EGR position sensor Damaged wiring or connectors in the EGR circuit In Ford vehicles: faulty DPFE sensor or blocked measuring hoses Rarely: engine control module (ECM) fault
Affected systems
układ recyrkulacji spalin (EGR)Silnik spalinowyukład wydechowyczujniki silnika
Related codes
P0401Średni
Recyrkulacja spalin (EGR) — niewystarczający przepływ
Układ napędowy
Sprawdź szczegóły →Code P1400 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Does code P1400 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.