Join Date: Oct 2009
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Alright so i just installed my airdog 2 df-165 last week and a few things are strange.
The first thing is that my fuel pressure gauge is jumping like 3-5 psi at idle. I dont know if the pump has some type of bypass valve to where it will build pressure and relieve it and thats why it keeps jumping around? I dont know.
Second thing is holding pressure. When I installed the pump on saturday it was preset to 50 psi. On sunday I bumped it up to 60 psi. Well on wednesday I noticed it dropped down to 50 psi. So I adjusted the regulator up to 80 psi. And what do you know thursday it went down to 65-70 psi. And now today its back down to 50 psi. And I kept making sure the packing nut where the regulator is was tight.
Any help I would appreciate it.