So I changed fuel pump and relay but I still have to spend about 5 minutes trying to crank before it will start. Once running it will run fine but if I turn it off and it sits overnight I have same problem the next morning. What should I look for??

Edit: I'm not throwing any CELs

 

my dad experienced starting issues not starter nor battery related; it wound up being the ECU. Have a look into replacing the caps: https://www.clublexus.com/forums/ls-...capacitor.html