AutoCodes – Toyota – P2242 2010 Toyota Camry

P2242 2010 Toyota Camry Code - Oxygen A/F Sensor Pumping Current Circuit High Bank 2 Sensor 1

Quick Answer

The Air-Fuel ratio (A/F) sensor provides output voltage approximately equal to the existing air-fuel ratio. Common causes include Faulty Air/Fuel Sensor Bank 2, Air/Fuel Sensor Bank 2 harness is open or shorted, Air/Fuel Sensor Bank 2 circuit poor electrical connection. 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: P2242 2010 Toyota Camry indicates Oxygen A/F Sensor Pumping Current Circuit High Bank 2 Sensor 1 .
Common causes: Common causes include Faulty Air/Fuel Sensor Bank 2, Air/Fuel Sensor Bank 2 harness is open or shorted, Air/Fuel Sensor Bank 2 circuit poor electrical connection.
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 1,815

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on Oct 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2242 2010 Toyota Camry Description

The Air-Fuel ratio (A/F) sensor provides output voltage approximately equal to the existing air-fuel ratio.
The A/F sensor output voltage is used to provide feedback for the Engine Control Module (ECM) to control the air-fuel ratio.
With the A/F sensor output, the ECM can determine deviation from the stoichiometric air-fuel ratio and control proper injection time. If the A/F sensor is malfunctioning, the ECM is unable to accurately control air-fuel ratio.
The A/F sensor is equipped with a heater which heats the zirconia element. The heater is also controlled by the ECM. When the intake air volume is low (the temperature of the exhaust gas is low), current flows to the heater which heats the sensor to facilitate detection of accurate oxygen concentration.
The A/F sensor is a planar type. Compared to a conventional type, the sensor and heater portions are narrower. Because the heat of the heater is conducted through the alumina to zirconia (of the sensor portion), sensor activation is accelerated.

The code is output when there is an open or short in the A/F sensor circuit, or if A/F sensor output drops. To detect these problems, the voltage of the A/F sensor is monitored when turning the ignition switch to the ON position, and the admittance (admittance is an electrical term that indicates the ease of flow of current) is checked while driving. If the voltage of the A/F sensor is between 0.6 V and 4.5 V, it is considered normal. If the voltage is outside of the specified range, or the admittance is less than the standard value, the ECM will determine that there is a malfunction in the A/F sensor. If the same malfunction is detected in the next driving cycle, the MIL is illuminated and a DTC is set.

OBDII Code P2242 2010 Toyota Camry - Oxygen A/F Sensor Pumping Current Circuit High Bank 2 Sensor 1 - AutoCodes.com — P2242 2010 Toyota Camry Code - Oxygen A/F Sensor Pumping Current Circuit High Bank 2 Sensor 1

What does this mean?

What are the Possible Causes of the DTC P2242 2010 Toyota Camry?

Faulty Air/Fuel Sensor Bank 2
Air/Fuel Sensor Bank 2 harness is open or shorted
Air/Fuel Sensor Bank 2 circuit poor electrical connection
Air/Fuel Sensor Relay
Faulty Engine Control Module (ECM)

How to Fix the DTC P2242 2010 Toyota Camry?

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 P2242 2010 Toyota Camry 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 P2242 2010 Toyota Camry code?

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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.

Frequently Asked Questions about P2242 2010 Toyota Camry Code

1. What does OBDII code P2242 mean for a 2010 Toyota Camry?

P2242 indicates a problem with the Oxygen Air-Fuel (A/F) Sensor Pumping Current Circuit High on Bank 2, Sensor 1, signaling an issue with the sensor's current or voltage levels.

2. What are the symptoms of code P2242 in a 2010 Toyota Camry?

Common symptoms include a check engine light, reduced fuel efficiency, rough idle, hesitation during acceleration, and possible increased emissions.

3. What causes code P2242 on a 2010 Toyota Camry?

Possible causes include a faulty A/F sensor, damaged wiring or connectors, short circuits, a malfunctioning engine control module (ECM), or exhaust leaks near the sensor.

4. Which sensor is affected by code P2242 on a 2010 Toyota Camry?

Code P2242 refers to the Air-Fuel Ratio (A/F) sensor located in Bank 2, Sensor 1, which is on the side of the engine with cylinder 2 and installed upstream before the catalytic converter.

5. Can you drive with code P2242 on a 2010 Toyota Camry?

While the car may still be drivable, it is not recommended because it can lead to poor fuel efficiency, higher emissions, and potential damage to the catalytic converter if not addressed.

6. How do you diagnose code P2242 on a 2010 Toyota Camry?

Diagnosis involves using a scan tool to verify the code, visually inspecting the sensor and its wiring, testing the A/F sensor's resistance, and checking for exhaust leaks or ECM issues.

7. How do you fix code P2242 on a 2010 Toyota Camry?

Repairs may include replacing the faulty A/F sensor, repairing damaged wiring or connectors, fixing exhaust leaks, or reprogramming or replacing the ECM if necessary.

8. How much does it cost to repair code P2242 on a 2010 Toyota Camry?

Replacing an A/F sensor typically costs $150â€“$400, while wiring repairs or ECM replacement can vary based on labor and parts, potentially reaching $1,000 or more.

9. What tools are needed to repair code P2242 on a 2010 Toyota Camry?

Tools may include an OBDII scanner, multimeter, oxygen sensor socket, and basic hand tools for inspecting and replacing components.

10. Can a dirty air filter cause code P2242 on a 2010 Toyota Camry?

While unlikely, a severely dirty air filter might affect air-fuel mixture readings, though the primary issue is usually a fault with the A/F sensor or its circuit.