garajizOBD-II code · manufacturer-specific
P1134
Downstream Heated O2 Sensors Swapped
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P1134 mean?
P1134 is defined as “Downstream Heated O2 Sensors Swapped”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Ford, Lincoln, Mazda, Mercury: Bank 1 Fuel Control Shifted Rich
- Subaru: Front Oxygen AF Sensor Microcomputer Problem
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: HO2S Transition Time Ratio
- Citroen, Diğer, Peugeot: HO2S Transition Time Ratio Sensor 1
- Kia: HO2S11 Circuit Transition Switch Malfunction
- BMW: O2 Sensor Heater Circuit Signal Intermittent Bank 1 Sensor 1
- Volkswagen: Oxygen Sensor Heating Circuit Bank 1 + 2 Sensor 2 Short To B+
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This page is general information; an exact diagnosis needs measurements and a technician’s check.