arial7black
my 1994 e320 is noisy on startup, this noise appears to be coming from the air injection pump. Is this normal it only happens when the engine is cold and only last about 2 to 3 minutes. should I carry out any maintenance. can anyone tell me what this air pump does, thanks for any help.
my 1994 e320 is noisy on startup, this noise appears to be coming from the air injection pump. Is this normal it only happens when the engine is cold and only last about 2 to 3 minutes. should I carry out any maintenance. can anyone tell me what this air pump does, thanks for any help.
