So I too have these issues but mines a bit different. add 12 volts to Pumps makes a healthy pump sound. Fuse is fine and it I tap the contact on the relay the pump works fine. But why is my pump not running while the car is running and I get the dreaded p0410 alone with the p0100. Mas air flow sensor. I cleaned the MAS airflow twice. Solder joints look fine by the way. What am I missing?
this thread is at least 2 years old
always better to start a new thread
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