P0203moderate severityPowertrain
Injector Circuit/Open - Cylinder 3
on 2007 Lexus GS 300 3.0L V6 · RWD
What this code means
Open circuit in the cylinder 3 fuel injector circuit.
Symptoms
- Check Engine Light
- Misfire cylinder 3
- Rough idle
Common causes
- Faulty injector #3
- Open wiring
- PCM driver failure
Diagnostic steps
- Test injector resistance
- Check wiring
- Swap injectors
Repair notes
Replace injector #3 or repair wiring.
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