As per
Jendham Inc OBD II reference guide (Technicians Handbook Series)
There is no P0461
NOTE: 1T or 2T indicates a one-trip or two-trip fault.
P0460
EVAP 2T
Fuel Level Sensor Circuit Conditions:
Engine Running, then PCM detected that the FLI sensor signal did not match the fuel level. (Scan Tool Tips:
A FLI V PID at less than 0.90v with a FLI PID at 25% OR a FLI V PID at more than 2.45v with a FLI PID at 75% indicates a fault.
OR
P0460
EVAP 2T
EVAP System Small Leak Conditions:
Cold Startup, engine running at off-idle conditions, then the PCM detected the presence of a small leak (a leak of more than 0.040") in the EVAP System.
HTH
Ray
