P1170
HO2S-11 No Change Detected
P1170 is an OBD-II diagnostic trouble code meaning: HO2S-11 No Change Detected. Common causes: malfunction of the oxygen sensor (ho2s-11), open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Increased fuel consumption
- Check Engine Light Is On
- Increased level of harmful emissions
- Minor loss of engine power
Causes
- Malfunction of the oxygen sensor (HO2S-11)
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Malfunction of the catalytic converter
- Fuel system problems (too rich or lean mixture)
How to Fix
- Check the condition of the oxygen sensor and its connector
- Check the integrity of the wiring to the sensor
- Measure the resistance and voltage of the sensor
- Check the operation of the catalytic converter
- If necessary, replace the oxygen sensor
Related codes
Error P1170 by Vehicle Brand
FAQ
What does the P1170 code mean?
P1170 is an OBD-II diagnostic trouble code that indicates: HO2S-11 No Change Detected
What causes a P1170 error code?
The most common causes of P1170 include: Malfunction of the oxygen sensor (HO2S-11); Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the catalytic converter.
How do I fix a P1170 diagnostic trouble code?
To fix P1170: Check the condition of the oxygen sensor and its connector. Check the integrity of the wiring to the sensor. Measure the resistance and voltage of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1170?
Yes, but get it checked soon
How much does it cost to fix P1170?
The estimated repair cost for P1170 is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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