P1128 Fault Code
You can find information about the P1128 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
![Jaguar Logo](https://faultcodes.co/wp-content/uploads/2022/08/jaguar-logo.jpeg)
Jaguar P1128
"Heated oxygen sensors (H02S) 1 (upstream), bank 1/2"
![Acura Logo](https://faultcodes.co/wp-content/uploads/2022/08/acura-logo-300x273.jpeg)
Acura P1128
"MAP Lower Than Expected"
![Audi Logo](https://faultcodes.co/wp-content/uploads/2022/08/audi-logo.jpeg)
Audi P1128
"Long Term Fuel Trim"
![Ford Logo](https://faultcodes.co/wp-content/uploads/2022/08/ford-logo.jpeg)
Ford P1128
"Heated Oxygen Sensor Signals reversed"
![Honda Logo](https://faultcodes.co/wp-content/uploads/2022/08/honda-logo.jpeg)
Honda P1128
"MAP Lower Than Expected"
![Hyundai Logo](https://faultcodes.co/wp-content/uploads/2022/08/hyundai-logo.jpeg)
Hyundai P1128
"Long term fuel trim – system too lean"
![Lexus Logo](https://faultcodes.co/wp-content/uploads/2022/08/lexus-logo-300x173.jpeg)
Lexus P1128
"Throttle Control Motor Lock Malfunction"
![Chrysler Logo](https://faultcodes.co/wp-content/uploads/2022/08/chrysler-logo-1.jpeg)
Chrysler P1128
"HO2S Bank 1 Sensor 1 Signals Swapped in Key On Engine Running Self Test"
![Toyota Logo](https://faultcodes.co/wp-content/uploads/2022/08/toyota-logo.jpeg)
Toyota P1128
"Throttle Control Motor Lock."
![Volkswagen Logo](https://faultcodes.co/wp-content/uploads/2022/08/volkswagen-logo.jpeg)
Volkswagen P1128
"Long Term Fuel Trim B1 System Too Lean"
Looking To Fix This Yourself?
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