Code : P0190
Make : LEXUS
Description : P0190 LEXUS Fail Rail Pressure Sensor Circuit
Possible causes :
– High fuel pressure
– Low fuel pressure
– Damaged FRP sensor
– Excessive resistance in the circuit
– Low or no fuel
– Wiring harness connector of the fuel pressure sensor
– Fuel Rail Pressure Sensor
– Vacuum leaks
– Fuel
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
