e85 on 2014+ Silverados
06-20-2018, 09:27 PM
#1
Teching In
Thread Starter
e85 on 2014+ Silverados
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I have a 2018 Silverado 5.3, non-flex fuel. Unfortunately there were no more flex-fuel trucks in April when they had that 12k off MSRP so I settled on one without it.
From my understanding, it was a $100 option for flex fuel. Can I just add the fuel sensor to my truck and start running e85? Or do I need the sensor and a tune? Thank you.
I have a 2018 Silverado 5.3, non-flex fuel. Unfortunately there were no more flex-fuel trucks in April when they had that 12k off MSRP so I settled on one without it.
From my understanding, it was a $100 option for flex fuel. Can I just add the fuel sensor to my truck and start running e85? Or do I need the sensor and a tune? Thank you.
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Slowyota (06-20-2018)
09-06-2018, 07:17 PM
#5
https://www.ebay.com/itm/OEM-1357742...tW4kUR&vxp=mtr
I bought this sensor from amazon, then bought the wire harness connector for another 7-8 bucks. They make one of them with longer hard lines but you'll have to dig around for one other those or make fittings for your fuel line.
It's a direct plug and play once you wire it in and enable the sensor is the tune file. Yes, HP Tuners can do this.
I bought this sensor from amazon, then bought the wire harness connector for another 7-8 bucks. They make one of them with longer hard lines but you'll have to dig around for one other those or make fittings for your fuel line.
It's a direct plug and play once you wire it in and enable the sensor is the tune file. Yes, HP Tuners can do this.
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Slapps74 (09-06-2018)
09-06-2018, 08:51 PM
#7
Correct.
The alcohol sensor will adjust stoich as required and once it's reached the proper content the fuel trims will fall back in line just like before. It seems to take several miles on my truck with the settings I have to reach the new alcohol content.
I have an older E38 computer so the settings were very simple. I have not done anything with the E92 computers in the direct injected trucks, so there could be an extra step or two to enable everything in the tune file and make it work as if there was a sensor from the factory.
The alcohol sensor will adjust stoich as required and once it's reached the proper content the fuel trims will fall back in line just like before. It seems to take several miles on my truck with the settings I have to reach the new alcohol content.
I have an older E38 computer so the settings were very simple. I have not done anything with the E92 computers in the direct injected trucks, so there could be an extra step or two to enable everything in the tune file and make it work as if there was a sensor from the factory.
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09-24-2018, 01:46 PM
#8
Correct.
The alcohol sensor will adjust stoich as required and once it's reached the proper content the fuel trims will fall back in line just like before. It seems to take several miles on my truck with the settings I have to reach the new alcohol content.
I have an older E38 computer so the settings were very simple. I have not done anything with the E92 computers in the direct injected trucks, so there could be an extra step or two to enable everything in the tune file and make it work as if there was a sensor from the factory.
The alcohol sensor will adjust stoich as required and once it's reached the proper content the fuel trims will fall back in line just like before. It seems to take several miles on my truck with the settings I have to reach the new alcohol content.
I have an older E38 computer so the settings were very simple. I have not done anything with the E92 computers in the direct injected trucks, so there could be an extra step or two to enable everything in the tune file and make it work as if there was a sensor from the factory.
09-25-2018, 01:14 PM
#9
TECH Fanatic
FFDP
Can you explain how you spliced it into your existing fuel lines. I want to do this on my 6.2 but I know nothing about how to hook up hard fuel lines.
Can you explain how you spliced it into your existing fuel lines. I want to do this on my 6.2 but I know nothing about how to hook up hard fuel lines.
09-25-2018, 08:51 PM
#10
All I really did was disconnect the factory fuel line from the fuel rail, install the sensor in one side of that fuel line and bought a few fuel injection fittings/adapters and a piece of high pressure fuel line to connect back to the fuel rail.
My truck was a 2012 so it's going to different on a K2XX truck with direct injection. I am not exactly sure where the fuel line runs and where the best place would be to install the sensor.
DSX Tuning makes a plug and play kit with hard lines and connectors already. It's either buy that or copy what he does yourself for cheaper. His kit does make the power wire side of it easy, it uses a coil pack adapter harness if I remember right to steal a power/ground source. Then you wire it to the computer. The other option is to just wire to ground and wire to the fuse block with a add a circuit. Then create the fuel line fittings and line for the sensor.
https://dsxtuning.com/collections/fl...-2014-gm-truck
My truck was a 2012 so it's going to different on a K2XX truck with direct injection. I am not exactly sure where the fuel line runs and where the best place would be to install the sensor.
DSX Tuning makes a plug and play kit with hard lines and connectors already. It's either buy that or copy what he does yourself for cheaper. His kit does make the power wire side of it easy, it uses a coil pack adapter harness if I remember right to steal a power/ground source. Then you wire it to the computer. The other option is to just wire to ground and wire to the fuse block with a add a circuit. Then create the fuel line fittings and line for the sensor.
https://dsxtuning.com/collections/fl...-2014-gm-truck