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Turbo Tuning / Re: Fuel Issues
« on: August 20, 2013, 04:44:45 PM »Update: All boost/air leaks have been addressed, faulty air intake temp sensor replaced, removed fuel filter to check for flow restriction. Although my idle a/f ratios have improved with the fixes, I'm still going lean under load. It isn't minor either, high gear at pedal in WOT position, im getting 15's-16's a/f. I didnt feel comfortable to boost. Here's a video of it. If you pause in the beginning you can get a good look at the gauges for reference (i dont know why my video got stretched out). Top left gauge is Wideband, Top right is Boost, Bottom right is Fuel Pressure. If i increase line pressure from regulator to a minimum 60psi at idle, everything is normal under load.
View My Video
How many RPM does it stay lean for? Does it come back to normal after that lean spike?