📖 What Does P0141 Mean?
The heater circuit for the downstream oxygen sensor on bank 1 is not working.
Symptoms
Slow oxygen sensor response when cold, failed emissions test, check engine light.
Common Causes
Blown oxygen sensor heater fuse, faulty sensor with bad heater, wiring problems.
Possible Solutions
Check and replace heater fuse, replace oxygen sensor, repair heater circuit wiring.
Recommended Parts & Tools
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📦 Parts Needed
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Frequently Asked Questions about P0141
How serious is P0141?
This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.
Can I drive with P0141?
You can typically drive short distances, but have it diagnosed as soon as possible.
How much does it cost to fix P0141?
Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.
Related Diagnostic Codes
Other codes that may appear with P0141
Fuel and Air Metering Code P0100
Mass Air Flow Sensor Circuit Range/Performance Problem
Mass Air Flow Sensor Circuit Low Input
Mass Air Flow Sensor Circuit High Input
Fuel and Air Metering Code P0104
Fuel and Air Metering Code P0105
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system