P0016critical severityPowertrain
Crankshaft Position/Camshaft Position Correlation Bank 1 Sensor A
on 2001 Mazda MX-5 Miata 1.8L I4 · RWD
What this code means
The PCM detected that the crankshaft position and Bank 1 intake camshaft position signals are not correlating properly.
Symptoms
- Check Engine Light
- Engine may not start
- Rough running
- Loss of power
- Engine noise
Common causes
- Timing chain stretched or jumped
- VVT solenoid failure
- Tone ring damage
- Sensor failure
- Oil issues affecting VVT
Diagnostic steps
- Check timing chain alignment marks
- Inspect VVT solenoid
- Test crank and cam sensors
- Check oil condition
- Inspect tone rings
Repair notes
If timing chain has jumped, replace chain, guides, and tensioner. Check VVT system.
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