P0212
Injector Circuit/Open - Cylinder 12
2002-2002 Mazda B2300 2.3L I4
Moderate SeverityPowertrainGeneric (SAE)
The 2002 Mazda B2300 is equipped with a 2.3L inline-4 engine. Below you'll find detailed p0212 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Open circuit in the cylinder 12 fuel injector circuit.
Symptoms
- Check Engine Light
- Misfire cylinder 12
Common Causes
- Faulty injector #12
- Open wiring
Diagnostic Steps
- Test injector resistance
- Check wiring
Repair Notes
Replace injector #12.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0212 on Other Vehicles
Common Questions
What does code P0212 mean on a 2002-2002 Mazda B2300?
P0212 stands for "Injector Circuit/Open - Cylinder 12". Open circuit in the cylinder 12 fuel injector circuit.
What are the symptoms of P0212 on a Mazda B2300?
Common symptoms of P0212 include: Check Engine Light, Misfire cylinder 12.
What causes P0212 on a 2002-2002 Mazda B2300?
Common causes of P0212 include: Faulty injector #12, Open wiring.
Last updated: March 2026