OBD Guide

P1164

Air/Fuel Ratio Sensor 1 Range/Performance Problem

P1164 is an OBD-II diagnostic trouble code meaning: Air/Fuel Ratio Sensor 1 Range/Performance Problem. Common causes: faulty air/fuel ratio sensor, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine idling
  • Loss of engine power
  • Check Engine light comes on
  • Increased emissions of harmful substances

Causes

  • Faulty air/fuel ratio sensor
  • Open or short circuit in the sensor circuit
  • Poor connection or corroded connectors
  • Sensor contamination due to oil or coolant leak
  • Fuel system problems (such as faulty injectors)

How to Fix

  1. Check the integrity of the sensor circuit and connectors
  2. Clean connectors and check for corrosion
  3. Check sensor readings using an OBD-II scanner
  4. Replace air/fuel ratio sensor if necessary
  5. Check the fuel system for leaks or malfunctions

Related codes

Error P1164 by Vehicle Brand

FAQ

What does the P1164 code mean?

P1164 is an OBD-II diagnostic trouble code that indicates: Air/Fuel Ratio Sensor 1 Range/Performance Problem

What causes a P1164 error code?

The most common causes of P1164 include: Faulty air/fuel ratio sensor; Open or short circuit in the sensor circuit; Poor connection or corroded connectors; Sensor contamination due to oil or coolant leak.

How do I fix a P1164 diagnostic trouble code?

To fix P1164: Check the integrity of the sensor circuit and connectors. Clean connectors and check for corrosion. Check sensor readings using an OBD-II scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1164?

Yes, but get it checked soon

How much does it cost to fix P1164?

The estimated repair cost for P1164 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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