OBD-II code · Powertrain (generic)
P044A EGR Sensor C Circuit
EGR Sensor C Circuit: an electrical fault is present in the circuit. Without valid EGR feedback the ECU disables exhaust gas recirculation and may set further EGR codes.
Is it safe to drive with P044A?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySensor failed
Symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2.5 h
- Emissions test
- Likely to fail
- Parts involved
- Egr Valve
Related codes
- P0486EGR Sensor B Circuit
- P2385EGR Sensor E Circuit
- P0447Evaporative Emission System Vent Control Circuit Open
- P0448EVAP System Vent Control Circuit Shorted
- P0449Evaporative Emission System Vent Valve/Solenoid Circuit Malfunction
- P044BEGR Sensor C Circuit Range/Performance
- P044CEGR Sensor C Circuit Low
- P044DEGR Sensor C Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.