Aspkiller Posted April 13, 2017 Report Share Posted April 13, 2017 After engine dyno tuning with shops fuel pump, can't get my in tank fuel pump to stay on. It builds pressure when ignition keyed on but immediately falls off and stays off until I cycle ignition again. Any thoughts, anyone? Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 13, 2017 Report Share Posted April 13, 2017 If you set the aux output to test mode does the fuel pump run continuous? Quote Link to comment Share on other sites More sharing options...
Aspkiller Posted April 14, 2017 Author Report Share Posted April 14, 2017 Pump now ok-runs when cranking.Have a few more problems, but need to evaluate more before posting.Thanks, Adamw Quote Link to comment Share on other sites More sharing options...
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