Gas tank building excessive pressure & fuel smell. Dangerous for sure! Why does this happen? (2 Viewers)

[sunfic]

@sunfic After the 100, the 2UZ-FE went to live on into the 200 and Tundra. There, it went back to a 3-speed, ECU controller for the fuel pump but with added fuel pump monitoring.

That good to know. I really don't know the logic of toyota engineer's choice.

the same thing happened to toyota AC controller signals as well. only in certain 2UZ-FE LC100 models toyota utilized A/CS ALED signals to control compressor while all the other toyota models around that time using AC1 ACT signals. really frustrating.

For me I always think the 3-speed fuel pump ECU/AMP is much better than analog resistor.