P2118moderate severityPowertrain
Throttle Actuator Control Motor Current Range/Performance
on 2008 Mazda MX-5 Miata 2.0L I4 · RWD
What this code means
The current draw of the throttle motor is outside normal parameters.
Symptoms
- Check engine light
- Intermittent limp mode
- Slight hesitation
Common causes
- Worn motor brushes
- Binding throttle plate
- High resistance connector
- Carbon buildup
Diagnostic steps
- Monitor motor current during operation
- Clean throttle body
- Check connector terminals
Repair notes
Clean throttle body first. Replace if motor current remains abnormal.
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