2002 Toyota camry code P1130/P1135/P0001 problem.

Question

for codes 1130 and 1135 upstream and downstream both sensors are replaced. All grounds points are cleaned, all fuses and RF relay has been checked after reseting codes P1130 is coming back

Answer 1

With a scan tool you need to measure the fuel trim reading , a lean running condition will set this code , you already ruled out any possible connection problem if the fuel trim is not within specification either due to low fuel pressure unmeter vacuum leak these two code will set. Also wrong A/F sensor application

Answer 2

P1130 Toyota Code - Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1
Read more: https://www.autocodes.com/p1130_toyota.html

P1135 Toyota Code - Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1
Read more: https://www.autocodes.com/p1135_toyota.html