2010 BMW 128i Convertible (E88) L6-3.0L (N52K) Manufacturer Code Page 61
Information saved in
DME
Fault code
2A00 – P140A
Fault text
Secondary-air system
Fault description
Secondary Air Injection System Insufficient Total Flow
(Bank 1 and Bank 2)
Condition for fault identification
Test condition:
Activation conditions:
– Engine start
– Secondary air-injection must be active
– Ambient temperature >3 掳C
-3.8 掳C < Coolant temperature Replace
pump)
4. Remove SAV from motor and connect to the hose. –
Conduct EOL test and use hand to determine whether air is
flowing through the valve.
If so, then the valve is defective and must be replaced.
If not, valve is OK
5. Clean the passage between exhaust gas banks 1 and 2 (in
engine block)
6. Install SAV again, run through EOL test. If the
malfunction is registered again, repeat steps 5 and 6.
Fault effect and breakdown warning
