Secondary air pump on w202 c280
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Secondary air pump on w202 c280
Hi friends,
The secondary air pump turns on when cold starting the car, but in 1-2 seconds it turns off. Besides, the car loses rpm at ~13 sec. every time after start, sometimes the car even turns off. In a moment after rpm loss (if the car doesn't turn off) everything goes right again. Please throw me some ideas where to dig.
PS: MAF changed recently, no any changes in performance.
The secondary air pump turns on when cold starting the car, but in 1-2 seconds it turns off. Besides, the car loses rpm at ~13 sec. every time after start, sometimes the car even turns off. In a moment after rpm loss (if the car doesn't turn off) everything goes right again. Please throw me some ideas where to dig.
PS: MAF changed recently, no any changes in performance.
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