No boost until I hit 4th gear???? HELP - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 09-10-2013, 05:21 PM Thread Starter
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No boost until I hit 4th gear???? HELP

I washed off my motor this weekend with purple power, covered my alternators and only used the hose. I don't know if it's coincidence but it started a day after I did this...... On take off all the way through 3rd gear i only get about 8lbs of boost and RPM's clime up to 3k. Then everything goes back to normal and I boost 25lbs and it spools. Please guys I'm still trying to figure this out.

137K on her, she's studded with a Garrett powermax... 2005

Last edited by Waterfowler; 09-13-2013 at 01:06 PM.
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post #2 of 3 Old 09-10-2013, 07:03 PM Thread Starter
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anyone have any suggestions on where to start?
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post #3 of 3 Old 09-13-2013, 01:13 PM Thread Starter
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I need help from the vets here bad.... I'm trying to troubleshoot this but I'm stumped! cleaned the bps tube last night (it was clean) also cleaned the egr again (it was wet couldn't tell if it was fuel, coolant or oil)
So I drove it to work this morning it's 105* outside right now, drove about 30 miles and still have no boost pressure until I get up to highway speeds. turned the truck off for a few minutes, jumped back in fired her up and she started blowin smoke everywhere and I started getting a new noise under the hood like it's burping when I let off the throttle. pulled over and disconnected the egr valve and I was back to full boost immediately. on the way home my boost was normal on take off sometimes and other times I get nothin......... PLEASE help guys I'm stumped here.

F-350 CC Long bed, DRW, FX4, 4.30 Gears, Garrett Powermax, ARP head studs, 4" turbo back Magnaflow

Last edited by Waterfowler; 09-13-2013 at 01:15 PM. Reason: spelling
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