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  1. Secondary air injection p1412 p1415

    Range Rover Mark II / P38
    I've been trouble shooting my secondary air. And I just need clarification on something. When I remove my vacuum solenoid I'm able to apply 12V and get a click. Not a definite click, but it seems enough to open for flow. So my question is. Can a solenoid still be bad even though the 12V is...
  2. P1412 P1415. Pump works, new solenoid and valves

    Range Rover Mark II / P38
    As the title states, i have the p1412 and p1415 codes. I've changed the solenoid, both valves, installed new vacuum lines. When i start my p38, the sai pump turns on and runs for about a min. Seems to be working fine, but i still get the codes. I've searched and searched, and i dont know what...