P1422 Code - Exhaust Gas Ignition Temperature Sensor

Quick Answer

The P1422 code indicates a problem with the Exhaust Gas Ignition Temperature Sensor, which is a crucial component in the vehicle's exhaust system. Common causes include Faulty Exhaust Gas Ignition Temperature Sensor, Wiring issues or electrical connection problems, Exhaust system leaks. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means

P1422 indicates Exhaust Gas Ignition Temperature Sensor.

Common causes

Common causes include Faulty Exhaust Gas Ignition Temperature Sensor, Wiring issues or electrical connection problems, Exhaust system leaks.

Severity

High - diagnose this code as soon as possible.

Can I drive?

Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

• Description
• Common Causes
• Symptoms
• How To Fix
• Cost to Fix
• FAQs
• Comments
• Add Comment

Common Causes of P1422

Symptoms of P1422

How to Fix P1422

Cost to Fix P1422

Need more information about the P1422 code?

Need more information on how to fix the P1422 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1422 code diagnosed by a professional: Find a repair shop in your area

Code P1422 Information for Specific Makes

• P1422 Audi — Secondary Air Injection Valve Circuit Short To B+
• P1422 BMW — Secondary Air System Bank 2
• P1422 Ford — Exhaust Gas Ignition Temperature Sensor
• P1422 Lexus — Fuel Tank Small leak
• P1422 Lincoln — Exhaust Gas Ignition Temperature Sensor
• P1422 Mercury — Exhaust Gas Ignition Temperature Sensor
• P1422 Mitsubishi — Temperature Sensor Has Failed
• P1422 Subaru — EVAP Purge Control Valve Circuit High Input
• P1422 Suzuki — EVAP System Leak Detect Pump Stuck Off
• P1422 Toyota — Fuel Tank Small leak
• P1422 Volkswagen — Secondary Air Injection Valve Circuit Short To B+

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 P1422 Code

What does OBDII code P1422 mean?

Code P1422 indicates an issue with the Exhaust Gas Ignition Temperature Sensor, which monitors the temperature of exhaust gases to ensure proper catalytic converter operation.

What are the common symptoms of code P1422?

Symptoms may include a check engine light, reduced fuel efficiency, poor engine performance, and difficulty passing emissions tests.

What causes code P1422 to appear?

Common causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, excessive soot buildup, or issues with the catalytic converter.

Can I drive my car with code P1422?

Driving with code P1422 may be possible, but prolonged operation can lead to reduced performance, higher emissions, or damage to the catalytic converter.

How can I diagnose code P1422?

Diagnosis involves scanning for codes, inspecting the exhaust temperature sensor and wiring, and verifying temperature readings with a diagnostic tool.

How do I fix code P1422?

Repairs may include replacing the exhaust gas temperature sensor, fixing wiring issues, removing soot buildup, or addressing catalytic converter problems.

How much does it cost to repair code P1422?

Repair costs vary but typically range from $150 to $300 for sensor replacement, depending on labor rates and parts.

Can a dirty sensor cause code P1422?

Yes, soot or debris buildup on the sensor can cause inaccurate readings and trigger code P1422.

Does code P1422 affect my car's fuel efficiency?

Yes, a malfunctioning exhaust temperature sensor can lead to inefficient engine operation and reduced fuel economy.

Will code P1422 cause my car to fail an emissions test?

Yes, code P1422 can cause higher emissions levels, leading to failure in emissions testing.