had to start a new name since it's been a while since I logged in...
just picked up an 05 645i that's got a p0492 code. I jumped the pump and was able to hear/feel slight air coming out of both tail pipes. I pulled off the passenger side check valve and was able to verify a rush of air into the head. Stuck my finger in the pipe heading into the head and didn't feel any blockage. I didn't feel any leaks anywhere in the lines. Still throwing a p0492 code. Any suggestions as to what else I should look into?
Car shows some signs of having been in a slight accident before and Im confident this isn't the original 2A pump, but it's working good.
Last edited by Deltaparty09; 10-12-2019 at 01:38 PM.