P0200moderate severityPowertrain
Injector Circuit/Open
on 2014-2021 Mazda Mazda6 2.5L I4 · FWD
What this code means
General malfunction in the fuel injector circuit.
Symptoms
- Check Engine Light
- Rough idle
- Misfire
- Loss of power
Common causes
- Faulty injector
- Wiring issue
- PCM driver failure
- Corroded connector
Diagnostic steps
- Test injector resistance
- Inspect wiring
- Check PCM output
- Test injector operation with noid light
Repair notes
Test each injector individually to isolate faulty unit.
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