Problems With Flex Fuel Vehicles

Jun 4, 2020 · flex fuel engines are available for the 2020 toyota tundra. We apologize as information on the 2021 tundra is currently unavailable. Toyota will release information such as styling, specifications, features and options closer to the launch date. May 3, 2021 · this is not a new problem, even on tundras. com (search flex fuel problems). The single reflash solution is relatively recent, as in the last couple of years.

They don't make flex fuel tundras anymore. What does that tell you? This thread from another forum pretty well sums up what can happen with flex fuel tundras. Apr 28, 2019 · i think any obd2 reader should be able to see it, but not necessarily reset it. I used to use techstream to reset it. The dealer reflashed my ecm awhile back, and that seems to have fixed the problem on my 2014 flex fuel. I was out of warranty, but there was some extended warranty that applied to the alcohol density and ecm issue. Dec 4, 2016 · i have a flex fuel but i never use flex fuel. I do use premium only because im heavy on my gas pedal and i like to run the higher octane. In my area you can't find a non flex fuel tundra. At least not to my knowledge. The toyota mechanics i talked to at my local shop said, don't use the ethonal fuel unless you want to service your truck twice. Dec 4, 2016 · i have used e30 fuel in a 2014 tahoe for the past 4 years with no problems. In older flex motors when we ran e85 in cold weather it could cause the motor to start a little harder. We have been using flex fuels in a fleet of around 75 tahoes since 2013. we have had no issues with fuel.

At least not to my knowledge. The toyota mechanics i talked to at my local shop said, don't use the ethonal fuel unless you want to service your truck twice. Dec 4, 2016 · i have used e30 fuel in a 2014 tahoe for the past 4 years with no problems. In older flex motors when we ran e85 in cold weather it could cause the motor to start a little harder. We have been using flex fuels in a fleet of around 75 tahoes since 2013. we have had no issues with fuel. Wish i could say that about the rest of the vehicle May 13, 2018 · truck ran perfect before the install it’s a flex fuel, job was supposed to be 3 hours long took 10 because they couldn’t get the truck to start. They tried to get on the phone with transferflow customers support and finally did but they wasn’t very helpful they said. Jan 3, 2023 · dealership said it's an issue with the fuel alcohol ratio and i need a new fuel pump before they can recalibrate the ecu. This was back in january. I've been waiting on a fuel pump for 5 months. They told me it would likely be until june before they get one in. The dealership told me that they highly recommend not using an aftermarket fuel pump. Aug 5, 2018 · not so much mandated as every flex fuel vehicle was assumed on paper to run gas half the time, so it boosted the brand's fleet mpg to meet the federal standard. I wonder if that bonus may have ended as a lot of flex vehicles have gone away imagine every ffv 5. 7 counted as a 28 mpg vehicle Apr 25, 2023 · hi all, i have a 2013 5. 7 flex fuel crewmax (67,500 miles) and wanted to share that by using a newly purchased 2023 launch x431 crp919e bidirectional scan tool, i was able to both read my alcohol percentage level (which was at 85%) and also reset that alcohol percentage level back to zero.

Wish i could say that about the rest of the vehicle May 13, 2018 · truck ran perfect before the install it’s a flex fuel, job was supposed to be 3 hours long took 10 because they couldn’t get the truck to start. They tried to get on the phone with transferflow customers support and finally did but they wasn’t very helpful they said. Jan 3, 2023 · dealership said it's an issue with the fuel alcohol ratio and i need a new fuel pump before they can recalibrate the ecu. This was back in january. I've been waiting on a fuel pump for 5 months. They told me it would likely be until june before they get one in. The dealership told me that they highly recommend not using an aftermarket fuel pump. Aug 5, 2018 · not so much mandated as every flex fuel vehicle was assumed on paper to run gas half the time, so it boosted the brand's fleet mpg to meet the federal standard. I wonder if that bonus may have ended as a lot of flex vehicles have gone away imagine every ffv 5. 7 counted as a 28 mpg vehicle Apr 25, 2023 · hi all, i have a 2013 5. 7 flex fuel crewmax (67,500 miles) and wanted to share that by using a newly purchased 2023 launch x431 crp919e bidirectional scan tool, i was able to both read my alcohol percentage level (which was at 85%) and also reset that alcohol percentage level back to zero.