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04-03-2019, 11:27 AM
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#1 |
 
Drives: 18 1SS 1LE HyperBlue Join Date: Aug 2018
Location: Twin Cities, MN
Posts: 612
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Question regarding MAP sensor / readings
Out of curiosity - and understand I am still getting to know the HP Tuning Suite, when changing to a different MAP sensor (1BAR vs 3BAR) is there any need to re-set the settings on the PIDs for the different sensors?
Reason I ask - when doing my S/C install, my tuner wanted me to put in a Barn-Breakout harness in the car. So now I have my stock LT1 1Bar sensor mounted to atmosphere by my air cleaner, and have a 3Bar sensor in the intake. When doing my tune - my tuner tuned everything and was reporting 9-10lbs of boost, but I am not 100% sure of which PID he is looking at. In my log files I am seeing a lot more than that, (18-20lbs) so I am presuming that my configuration file in my HP tuners is either looking at the wrong PID or not calculating correctly. | also have a AEM OBDII gauge ant it is reflecting the higher MAP readings also. Just curious how I can find out if his map is monitoring a different PID than the one my gauge is looking at.
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2018 1SS 1LE / HBM - ECS Novi 1500 S/C Tuned by Carl @ CJ Tunes
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04-03-2019, 11:47 AM
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#2 | |
  
Drives: 2016 Camaro 2SS Join Date: Apr 2017
Location: Stansbury Park, Utah
Posts: 1,092
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I want to say first off I AM NO EXPERT...not by a long shot. Everything is from research.
Watch this video: it helped me. I tried to do what he did. Like I mentioned before..bottom line its MAP-Barometric pressure = boost
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2016 2SS, MRC, NPP, A8. Procharger P-1X,Stage II,std bypass, 3.9, Alky Meth - 10.84 @129 - DA+2000
New Mods - GPI drop ins, Kooks 2", LT4 fueling, Cam, Circle D Converter, 3.5 pulley & dual nozzle meth.  |
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04-03-2019, 12:01 PM
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#3 | |
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Drives: 18 1SS 1LE HyperBlue Join Date: Aug 2018
Location: Twin Cities, MN
Posts: 612
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Quote:
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2018 1SS 1LE / HBM - ECS Novi 1500 S/C Tuned by Carl @ CJ Tunes
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04-03-2019, 12:03 PM
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#4 |
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Drives: 2016 Camaro 2SS Join Date: Apr 2017
Location: Stansbury Park, Utah
Posts: 1,092
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yes you can. I believe the instructions are in the video.
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2016 2SS, MRC, NPP, A8. Procharger P-1X,Stage II,std bypass, 3.9, Alky Meth - 10.84 @129 - DA+2000
New Mods - GPI drop ins, Kooks 2", LT4 fueling, Cam, Circle D Converter, 3.5 pulley & dual nozzle meth. |
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04-03-2019, 05:24 PM
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#5 |
  Drives: 2017 Camaro 1SS Join Date: Aug 2016
Location: NH
Posts: 1,693
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What channels are you logging now for baro and MAP to get such weird numbers? What is your MAP reading and your baro reading?
What I was logging with a supercharger, 3-BAR MAP sensor, and baro breakout kit was: Intake Manifold Absolute Pressure (SAE) in ECM>Engine>Airflow>Manifold Barometric Pressure (SAE) in ECM>Environment Boost Pressure parameter is available inside ECM>Engine>Airflow>Boost. The subtraction is open-air baro from MAP sensor. That is boost pressure. |
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04-03-2019, 10:47 PM
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#6 |
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Drives: 18 1SS 1LE HyperBlue Join Date: Aug 2018
Location: Twin Cities, MN
Posts: 612
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Thanks guys - I think I know enough to get this working. I just have to find out how to get the AEM gauge to look at something other than the default PID
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2018 1SS 1LE / HBM - ECS Novi 1500 S/C Tuned by Carl @ CJ Tunes
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