Low boost prob resolved? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 12-16-2013, 05:45 PM Thread Starter
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Low boost prob resolved?

2001 7.3 4x4

I've had vehicle for a double years
Bd chip 4 inch msrp? Exhaust new fac turbo
Ex runs and tows nice but never saw more than 6-7 lbs boost even towing hard uphill ?!?
Had hard start issue in cold changes gp relay no change
Changed gp controller aaand on first drive saw 15-17 lbs boost on bd !!
Very happy but WTF??

Last edited by Pigster; 12-16-2013 at 05:58 PM. Reason: New thought
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post #2 of 3 Old 12-16-2013, 06:00 PM Thread Starter
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So is it possible the bad glow plug controller was thinking engine was cold and not allowing full boost?
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post #3 of 3 Old 12-19-2013, 12:44 AM
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my glow plug module is dead and i put out 18psi in extreme and in econ i get about 16psi
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