Secondary Air Injection Pump
#1
Secondary Air Injection Pump
Hello, w140 lovers i have a question on the secondary air injection pump, i replaced the pump and pink relay in the trunk but the pump still cuts out too soon, causing my check light to come on.
What am i missing?
Don
What am i missing?
Don
Last edited by Don G; 08-13-2019 at 08:54 PM. Reason: S420 Mercedes