P0140
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
Affects: Tiggo 4, Tiggo 7
On This Page
Quick Fix Summary
Common Causes
- •Faulty O2 sensor
- •Wiring issue
- •Sensor contaminated
How to Fix
- 1Test O2 sensor
- 2Check wiring
- 3Replace sensor if faulty
Estimated Repair Cost (Australia)
*Cost varies by model, location, and service provider. Get multiple quotes.
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What does P0140 mean on a Chery?
P0140 means o2 sensor circuit no activity detected (bank 1 sensor 2). The most common cause is a faulty O2 sensor or exhaust leak.
How much does it cost to fix P0140 on a Chery?
Repair costs for P0140 typically range from $150 to $400 AUD, depending on the root cause.
Can I still drive with P0140 code?
P0140 is medium severity. You can drive short distances, but schedule a diagnostic soon.
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