P1427: EGI Mini - MAF Failed Short Circuit
HighPowertrainAir Flow Sensors
What does P1427 mean?
P1427 is a diagnostic trouble code indicating "EGI Mini - MAF Failed Short Circuit". The ECU is detecting a voltage reading that is below the expected range in the air flow sensors circuit. This typically points to a wiring short, a faulty sensor, or a grounding issue.
Common causes
- Damaged or corroded wiring harness
- Loose or disconnected electrical connector
- Failed air flow sensors sensor or actuator
- Blown fuse in the related circuit
- Poor ground connection
What should you do?
This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.
Get a diagnosis for YOUR car
Code P1427 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.