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P0130

Overview

Code

P0130

Code Type

P

Code Class

P0

System

Engine, Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0130 indicates a malfunction in the oxygen sensor circuit for Bank 1 Sensor 1 detected by the ECM

Symptoms

Check Engine Light illuminated; Poor fuel economy; Rough idle

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes

More Resources

Oxygen sensor feedback is critical for fuel mixture control and emissions regulation

Possible Causes

Faulty oxygen sensor; Wiring or connector issues; Exhaust leaks near the sensor

Diagnostic Steps

1 Confirm the fault code; 2 Inspect oxygen sensor wiring and connectors; 3 Check for exhaust leaks upstream of the sensor; 4 Monitor live O2 sensor voltage data; 5 Replace the oxygen sensor if necessary

Drive Safety Notes

Driving is usually possible, but emissions and fuel efficiency may be affected

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