HPTuners help for 2019 charger 6.4 - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 6 (permalink) Old 05-10-2019, 04:17 PM Thread Starter
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HPTuners help for 2019 charger 6.4

I have a 2019 charger daytona 392. I have the MPVI2 and downloaded the latest VCM suite 4.4 software. I am trying to do some scanning and learn the software. Currently setting up the channel file and can't seem to find a working Fuel Pressure Sensor channel. The Fuel Pressure Sensor channel shows up as grayed out and does not do anything. I have searched through the channel list and can find Fuel Rail pressure and have added it but it does not actually show anything when scanning. I have tried repolling the car for updated parameters as well. Does not change anything.

Anyone else with a 2019 6.4 have a working Fuel pressure sensor in the scanner?

Thanks for the help!

2019 Daytona Charger Granite

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post #2 of 6 (permalink) Old 05-10-2019, 09:36 PM
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I thought only the HC had a fuel pressure sensor and not the 5.7 and 6.4? There is a fuel pressure sensor PID on my 5.7 but I have never checked to see how it compare to my Innovate pressure sensor that I installed? I will have to check it out tomorrow.
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2015 Challenger RT+ (non-STP)
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post #3 of 6 (permalink) Old 05-11-2019, 06:22 AM Thread Starter
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So is there no way to log fuel pressure on the 6.4 cars in hptuners?
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post #4 of 6 (permalink) Old 05-11-2019, 06:44 AM
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Originally Posted by ammrpm View Post
So is there no way to log fuel pressure on the 6.4 cars in hptuners?
The way I have been doing is through the HP pro-link and an analog pressure gauge I installed at the rail.
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post #5 of 6 (permalink) Old 05-13-2019, 08:13 AM Thread Starter
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Ah... so I would need to get my own fuel pressure sensor and hook it to the fuel rail and log it as one of the analog inputs in hptuners.

What fuel pressure sensor did you use? Do you have a picture of where you hooked it into the fuel rail?

Thanks for your help with this. I had no idea that only the hellcats had a fuel pressure sensor. Is there any other major sensor like that the 6.4 cars don't have?
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post #6 of 6 (permalink) Old 05-13-2019, 01:59 PM
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Quote:
Originally Posted by ammrpm View Post
Ah... so I would need to get my own fuel pressure sensor and hook it to the fuel rail and log it as one of the analog inputs in hptuners.

What fuel pressure sensor did you use? Do you have a picture of where you hooked it into the fuel rail?

Thanks for your help with this. I had no idea that only the hellcats had a fuel pressure sensor. Is there any other major sensor like that the 6.4 cars don't have?
I run a magnuson supercharger and the fuel rail has an extra spot to tap into. As for the fuel sensor I am using this one:
https://www.summitracing.com/parts/i...iABEgKRU_D_BwE
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