P0093critical severityPowertrain
Fuel System Leak Detected - Large Leak
on 2016 Chevrolet Impala 3.6L V6 LFX · AWD
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
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1