P1422 Code - Exhaust Gas Ignition Temperature Sensor
Quick Answer
The Powertrain Control Module (PCM) monitors the Exhaust Gas Ignition Temperature Sensor. Common causes include Faulty Exhaust Gas Ignition Temperature Sensor, Exhaust Gas Ignition Temperature Sensor harness is open or shorted, Exhaust Gas Ignition Temperature Sensor circuit poor electrical connection. 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, Exhaust Gas Ignition Temperature Sensor harness is open or shorted, Exhaust Gas Ignition Temperature Sensor circuit poor electrical connection.
- 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.
Code P1422 Description
What are the Possible Causes of the DTC P1422?
- Faulty Exhaust Gas Ignition Temperature Sensor
- Exhaust Gas Ignition Temperature Sensor harness is open or shorted
- Exhaust Gas Ignition Temperature Sensor circuit poor electrical connection
How to Fix the DTC P1422?
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 P1422 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.
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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+
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.
Discuss the causes and fixes for P1422 OBDII Code
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