Subaru P1421: Exhaust Gas Recirculation Circuit High Input
Is your scanner showing Subaru P1421?
No worries. We'll show you what it means and how to deal with it.
Subaru P1421: Exhaust Gas Recirculation Circuit High Input
OVERVIEWWhat Are The Symptoms Of The Subaru P1421 Code?
Poor driving performance at low engine speed
How Can You Fix The Subaru P1421 Code?
- Check output signal of ECM
- Check poor contact
- Check harness between EGR solenoid and ECM connector
- Check EGR solenoid valve
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Subaru P1421, DTCDECODE.
