P1132
Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1
P1132 is an OBD-II diagnostic trouble code meaning: Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1. Common causes: oxygen sensor malfunction, leaks in the fuel system (injectors, pressure regulator). Estimated repair cost: $17–89.
Symptoms
- Increased fuel consumption
- Black smoke from the exhaust pipe
- Unstable engine idling
- Loss of engine power
- Smell of gasoline from the exhaust pipe
Causes
- Oxygen sensor malfunction
- Leaks in the fuel system (injectors, pressure regulator)
- Problems with the ignition system (plugs, coils)
- Contamination or damage to the air flow sensor
- Coolant temperature sensor malfunction
How to Fix
- Check the oxygen sensor readings with a scanner
- Inspect fuel injectors for leaks
- Check the condition of the spark plugs and coils
- Clean or replace the mass air flow sensor if necessary
- Replace a faulty oxygen sensor
Related codes
Error P1132 by Vehicle Brand
FAQ
What does the P1132 code mean?
P1132 is an OBD-II diagnostic trouble code that indicates: Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 1
What causes a P1132 error code?
The most common causes of P1132 include: Oxygen sensor malfunction; Leaks in the fuel system (injectors, pressure regulator); Problems with the ignition system (plugs, coils); Contamination or damage to the air flow sensor.
How do I fix a P1132 diagnostic trouble code?
To fix P1132: Check the oxygen sensor readings with a scanner. Inspect fuel injectors for leaks. Check the condition of the spark plugs and coils. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1132?
Yes, but get it checked soon
How much does it cost to fix P1132?
The estimated repair cost for P1132 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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