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Torque Pro boost reading

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Old Mar 1, 2019 | 03:05 PM
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Torque Pro boost reading

Has anyone had a problem with Torque Pro's boost reading? When the boost get up to around 22 psi torque switches from boost to a negative vacuum around 27psi. Truck ran fine hauling the boat today 70-75 mph. I do have a light tune loaded.
 
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Old Mar 1, 2019 | 03:11 PM
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Some tunes "fool" the PCM. What does it read on a stock tune?
 
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Old Mar 2, 2019 | 08:49 AM
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I don't know. The only time I return my truck to stock is during camping season. You could be right, I've never noticed the boost reading vacuum last camping season.
 
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Old Mar 2, 2019 | 04:57 PM
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On a 45 min interstate drive hauling the boat I noticed the boost was hovering around 17 to 20 psi relatively flat ground. We get to the dealership and found a trail of oil on te driver side.



Got home to do some further inspection.



Oil puddle to the left side of the pic.



When I installed the metal pipe I torqued the clamps to Ford's spec. Perhaps it needed a little more. We'll see what torque will show now. Probably should have pull the boots off the and cleaned them.

 
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Old Mar 16, 2019 | 07:51 PM
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I've returned the truck to stock and I still get a negative boost reading on torque pro. When the boost gets around 22 it switches to a negative reading of about 27. I can't say I feel a loss in power. Have no trouble codes. What could cause this? I don't think it's torque pro being I've never noticed this before.
 
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Old Mar 16, 2019 | 08:19 PM
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Originally Posted by Ford.Dude
I've returned the truck to stock and I still get a negative boost reading on torque pro. When the boost gets around 22 it switches to a negative reading of about 27. I can't say I feel a loss in power. Have no trouble codes. What could cause this? I don't think it's torque pro being I've never noticed this before.
I had that happen to me as well... Pick a new screen and select all the Boost gauges Torque offers and see which one works best. I think the one that worked for me was the "Ford specific" one, no more negative numbers...
 
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Old Mar 17, 2019 | 07:27 AM
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My truck does the same. I don't know how the dynamics of how our vgts work, but they can't keep building boost forever. 20ish lbs of boost is what they make stock I just assumed then when they hit max boost they when into vacuum to keep out of over boost.

Correct me if I'm wrong
 
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Old Mar 17, 2019 | 10:35 AM
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Originally Posted by diesel_dan
I had that happen to me as well... Pick a new screen and select all the Boost gauges Torque offers and see which one works best. I think the one that worked for me was the "Ford specific" one, no more negative numbers...
So the ford specific boost gauge is named map. May need to rename it?
 
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Old Mar 17, 2019 | 11:13 AM
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Originally Posted by Ford.Dude
So the ford specific boost gauge is named map. May need to rename it?
I don't remember having to re-name it, so maybe that isn't the one. I do remember having to try different ones as the one I first picked would do that vacuum thing all the time... Right after I had my turbo cleaned, I was hitting as high as 32psi (highest) while the VGT re-learned. Didn't take long for it to settle down to about 28psi max and now I'll see usually 27s with a good WOT run - my truck has stock tuning btw. I think 26 - 27 range is what most consider normal max boost on a stock 6.0....

Scott
 
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Old Mar 29, 2019 | 09:39 PM
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Had the same issue. Selected Ford specific boost and no vacuum readings. Did have to rename to Boost from MAP.
 
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