Czujnik pozycji kolektora ssącego — zakres/sprawność (VAG)
P2004M
ŚredniIntake manifold swirl flaps — fault (Mercedes CDI)
OBD-II (EN): Intake Manifold Swirl Flap Malfunction
Code P2004M — Intake manifold swirl flaps — fault (Mercedes CDI). Symptoms: check engine light. Possible cause: broken swirl flaps (plastic — common problem in om642/om651). Professional diagnosis recommended.
Symptoms
Check engine light, power loss at low RPM, jerking
Possible causes
Broken swirl flaps (plastic — common problem in OM642/OM651), stuck stepper motor, carbon buildup
Affected systems
Related codes
Universal version
This code has a universal OBD-II form:
P2004Klapy kolektora ssącego — pozycja zablokowana otwarta (Mercedes)Code P2004M appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code P2004M 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.
