Fault finding pooo1 code comes up which sensor is it

from what I can find the code 59 is related to the heated oxygen sensor (HO2S) bank 2 sensor 1
try this
search -- toyota 1zz engine fault code 59 and see what comes up
there are sites for toyota fault code 59 but try to be specific first

That code is for fuel pressure regulation. Why did you change the coolant sensor

The P0001 DTC code is one of those codes that is very uncommon and is likely intermittent. Please go to obd-codes.com/pooo1, for more info on this code. its fuel volume regulator control circuit/open. God-Bless!

Those sensors are inside the transmission base pan. Without the make, model and year it's hard to tell you exactly where. You may also have damaged or corroded wiring or connectors. Take it to a dealer.

Buy yourself a auto fault meter that you plug in the port inside the car. You will find this will put out any warning lkights that are not dangerous and will identify any that need attention.

code p0001 refers to fuel volume regulator control--circuit open===causes--wiring---regulator control solenoid.
Replace the solenoid.

If the fault code doesn't reset the problem is not fixed. PERIOD.

there is not a code listed in the toyota repair manual p0001 but there is a poo11 and it is part of the vvt system and the code says bank 1 intake valve timing advance that there is a differance between crank and cam sensor signal to the computer. and could be a number of things from cam sensor,crank sensor,vvt solenoid,wiring,computer.this problem needs to be checked with a scan tool so each sensor can be checked and the right one replaced........good luck and i hope that this info helped..........let me and fixya know how i did and if i can help in any other way.........this is the only code that was close to what you had down and there is no pooo1 code ..............if you need any more help give me all the info that you can............

Hello! The PERCUS...E...Code is an Electronic Control Module (ECM) programming error or failure...The grounding may be at fault...Using an ohm meter set on X10 scale...Read from center of negative battery post to bare metal on chassis and then to engine block...Should read very near zero ohms...If these readings are OK...The ECM needs to be re-flashed (reload software) at a dealership.

MAP reading across wire colors Black/White (+) and Black/Green (-) at idle should be 1.1 volts...(.99 is a correct reading)...Throttle up and voltage increases to 3.75 volts w/o erratic movement...This indicates MAP is OK...

Guru.............Saailer

I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

All sensor have to be check for proper opperation to work. you mite have a bad ground in