P1164 Code - Air/Fuel Ratio Sensor 1 Range/Performance Problem
Quick Answer
The Air/Fuel Ratio (A/F) sensor 1 is installed in the exhaust system and detects oxygen content in the exhaust gas. Common causes include Faulty Air/Fuel Ratio Sensor 1, Air/Fuel Ratio Sensor 1 harness is open or shorted, Air/Fuel Ratio Sensor 1 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
- P1164 indicates Air/Fuel Ratio Sensor 1 Range/Performance Problem.
- Common causes
- Common causes include Faulty Air/Fuel Ratio Sensor 1, Air/Fuel Ratio Sensor 1 harness is open or shorted, Air/Fuel Ratio Sensor 1 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 P1164 Description
If the A/F sensor (sensor 1) voltage is low, the air/fuel ratio is lean, and the ECM uses A/F feedback control to issue a Rich command. If the A/F sensor (sensor 1) voltage is high, the air/fuel ratio is rich, and the ECM uses A/F feedback control to issue a Lean command.
What are the Possible Causes of the DTC P1164?
- Faulty Air/Fuel Ratio Sensor 1
- Air/Fuel Ratio Sensor 1 harness is open or shorted
- Air/Fuel Ratio Sensor 1 circuit poor electrical connection
How to Fix the DTC P1164?
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 P1164 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 P1164 code?
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Need Help with the Code?
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Information for Specific Makes
- P1164 Acura — Air/Fuel Ratio Sensor 1 Range/Performance Problem
- P1164 Audi — Fuel Temperature Sensor Implausible Signal
- P1164 BMW — Fuel Trim Additve Per Ignition Bank 2 Low
- P1164 Buick — HO2S Bank 2 Sensor 3 Rich Or High Voltage
- P1164 Cadillac — HO2S Bank 2 Sensor 3 Rich Or High Voltage
- P1164 Chevrolet — HO2S Bank 2 Sensor 3 Rich Or High Voltage
- P1164 GMC — HO2S Bank 2 Sensor 3 Rich Or High Voltage
- P1164 Honda — Air/Fuel Ratio Sensor 1 Range/Performance Problem
- P1164 Infiniti — HO2S21 Rich Shift Monitoring
- P1164 Land Rover — RH Bank Lambda Control Adaption Per Ignition Too Large
- P1164 MINI — Fuel Trim Additve Per Ignition Bank 2 Low
- P1164 Nissan — HO2S21 Rich Shift Monitoring
- P1164 Volkswagen — Fuel Temperature Sensor Implausible Signal
Frequently Asked Questions about P1164 Code
No Frequently Asked Questions about P1164 Code found.
Discuss the causes and fixes for P1164 OBDII Code
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Another possible cause is that the air intake boot (hose) is broken/split. Before replacing the sensor, check the air intake hose to see if it is broken and make sure to replace it in that case. Otherwise, replacing the sensor may not help.
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