Sunday, June 7, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

none

79

P140A

2A00 – P140A

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