Jan 17, 2018 · I have a 2012 5.7L tundra. When really cold it starts really slow. May take 3 or 4 times to start. When it starts it smells funny, smokes and clatters like a diesel. Code is P1604 from O'reileys. …

Aug 18, 2019 · Error code P1604 Jump to Latest 7.8K views 3 replies 2 participants last post by 24hrsparkey Aug 19, 2019 R

Sep 10, 2015 · I got the service light on today, I plugged OBD-II and the code P1604 and code P0300 on my 2012 Tundra only 15k miles, P1604 stated Startablity Malfunction what is that?

Oct 22, 2022 · I have recently had an issue with my truck not starting. For those that do not know even though many of our trucks have a key for the ignition it is essentially a push button start. You can …

Dec 18, 2018 · Code didnt return but still Hard starting. Took almost two months and engine light back on. This time P1604 Startability Malfunction. Was told i had to take it to Toyota to get a reflash. There …

Apr 29, 2023 · P1604 - Startability Malfunction P1605 - Rough Idling P2446 - Secondary Air Injection System Pump Stuck Open Bank 2 C1201 - Engine/EV Control System Malfunction C1531 - ECU …

Mar 14, 2013 · Hey Guys, I'm trying to get a baseline on where my Alcohol percentage is before I bring my truck to the dealer on Thursday for my FFV poor mileage issues. I am unable to view the the …

Dec 10, 2016 · A visit to the dealer today! Thursday when leaving work I started the Tundra and it started with a rough idle eventually smoothing out in about a minute. Then the Check Engine light …

Oct 8, 2019 · Thank you so much nyskg and Right0nRight0n for updating and posting your solution, and the location of the sensor, this solved the problem in our 2015 Toyota Sequoia with 92k miles, it had …

Jan 9, 2023 · The TSB reads " Extended Crank and/or MIL ON With DTC P0171, P0174, P0172, P0175, P1604 (Flex-Fuel)" I interpret this as you either have the extended crank with no codes or MIL on.