AutoCodes – Scion – P0130 Scion

P0130 Scion Code - Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1

Quick Answer

The Heated Oxygen (HO2) sensor (bank 1 sensor 1) monitors the oxygen concentration in the exhaust gas. Common causes include Open or short in HO2 sensor (bank 1 sensor 1) circuit, HO2 sensor (bank 1 sensor 1), HO2 sensor heater (bank 1 sensor 1). Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0130 Scion indicates Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1.
Common causes: Common causes include Open or short in HO2 sensor (bank 1 sensor 1) circuit, HO2 sensor (bank 1 sensor 1), HO2 sensor heater (bank 1 sensor 1).
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 3,415

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 26, 2022

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0130 Scion Description

The Heated Oxygen (HO2) sensor (bank 1 sensor 1) monitors the oxygen concentration in the exhaust gas. For optimum TWC operation, the air-fuel mixture must be maintained as close as possible to the stoichiometric ratio. The HO2 sensor output voltage changes dramatically in the vicinity of the stoichiometric ratio. By making adjustments in accordance with these signal voltages, the ECM adjusts the fuel injection time so that the air-fuel ratio remains close to stoichiometric levels. If the oxygen concentration in the exhaust gas increases, the air-fuel ratio is lean and the HO2 sensor output voltage to the ECM drops below 0.45 V. If the oxygen concentration in the exhaust gas decreases, the air-fuel ratio is rich and the HO2 sensor output voltage to the ECM increases to above 0.45 V.

OBDII Code P0130 Scion - Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1 - AutoCodes.com — P0130 Scion Code - Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P0130 Scion?

Open or short in HO2 sensor (bank 1 sensor 1) circuit
HO2 sensor (bank 1 sensor 1)
HO2 sensor heater (bank 1 sensor 1)
EFI relay
Air induction system
Fuel pressure
Injector
ECM

How to Fix the DTC P0130 Scion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0130 Scion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0130 Scion code?

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Information for Specific Scion Models

P0130 2005 Scion xB — Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1
P0130 2006 Scion xB — Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1
P0130 2007 Scion xB — Oxygen Sensor Circuit Malfunction Bank 1 Sensor 1

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.