p0134
Easy Fix
Acura · Sedans
O2 Sensor Circuit No Activity (Bank 1 Sensor 1)
Quick Answer
Error code P0134 on your Acura Sedans means: O2 Sensor Circuit No Activity (Bank 1 Sensor 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Inspect oxygen sensor connector for corrosion
2
Test oxygen sensor heater circuit resistance
3
Check wiring continuity from sensor to ECU
4
Measure oxygen sensor output voltage
5
Replace oxygen sensor if no activity detected
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Parts You May Need
Oxygen sensor
Oxygen sensor socket
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