No signal at SAI relay

[JustinS]

I had the same issue recently. I think your solenoid valve is bad. Its under the passenger side intake manifold. When I swapped engines, i did an SAI delete and i didnt install the solenoid. The ECU detected that it had an open circuit and it wouldn’t send power to the pump.

Edit: Maybe not. Mine was code P0413. Check the relay to see if the ecu is triggering it. Maybe you have a bad relay?

[Pepik]

Originally Posted by JustinS

Check the relay to see if the ecu is triggering it. Maybe you have a bad relay?

Thanks for the suggestion, but I've replaced the relay and tested the signal at the socket with my multimeter with the relay removed.

...

Hmmmm, I think I'll double check, it's been a few weeks since I measured, and the more I think about it, the less I'm sure I checked the right pin. I'll update if I was wrong about the signal.



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