P0130Hyundai ElantraYears: 1996 - 2026
O2 Sensor Circuit Malfunction (Bank 1, Sensor 1)
Reviewed by ASE Certified Technician
What does this mean?
Code P0130 indicates a malfunction in the upstream oxygen sensor circuit on Bank 1. This sensor monitors exhaust gases before the catalytic converter.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Hyundai Elantra models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Faulty oxygen (O2) sensor
Damaged, chafed, or broken wiring harness
Exhaust leak before oxygen sensor
Corroded or loose electrical connector
Symptoms to Watch For
- Check Engine Light is illuminated
- Decreased fuel economy
- Rough or unstable idle
- Failed emissions test