Flex fuel extended crank due. Ohol density calculationrepair procedure (continued)5. Flash reprogram the ecm (pcm). notethe. Weboct 27, 2019 · the service advisor said that toyota just came out with a new tsb a few days ago updating the old tsb so that it now covers the fuel pump and the “reflashing”. Webjan 1, 2018 · this is my 2016 platinum toyota tundra flex fuel that is experiencing the extended crank and rough idle due to the alcohol density sensor. Webfeb 12, 2023 · toyota has figured out the root cause of the issue, the fuel pump. It’s not regulating/supplying the correct amount of fuel pressure at times, therefore underfueling. Web• this repair is covered under the toyota federal emission warranty. I own a previous generation tundra but like to keep up with the new releases. Webnov 26, 2017 · for those with flex fuel trucks know that the ecm sends incorrect fuel/air ratios to the pump. This causes hard starts and eventually a burned up fuel pump.
