P0093critical severityPowertrain
Fuel System Leak Detected - Large Leak
on 2001 Lexus LS 430 4.3L V8 · RWD
What this code means
The PCM detected a large fuel system leak based on fuel pressure drop rate.
Symptoms
- Check Engine Light
- Fuel smell
- Visible fuel leak
- Loss of power
- Hard starting
Common causes
- Cracked fuel line
- Damaged fuel rail
- Leaking injector seal
- Fuel pump seal failure
Diagnostic steps
- Visually inspect for fuel leaks
- Perform fuel pressure drop test
- Check all fuel connections
- Inspect injector seals
Repair notes
Immediately locate and repair fuel leak. Fire hazard.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1