Audi DTC P1112 – O2 Control (Bank 1) System too rich
DTC P1112 meaning on Audi
DTC P1112 on an Audi indicates an issue with the O2 Control System on Bank 1, specifically that the system is reading a rich air-fuel mixture. This means that there is an excessive amount of fuel being delivered to the engine in relation to the amount of air present.
Audi DTC P1112 symptoms
Symptoms of DTC P1112 on an Audi may include decreased fuel efficiency, rough idling, engine misfires, black smoke from the exhaust, and a noticeable decrease in engine performance.
Audi DTC P1112 causes
The most common causes of DTC P1112 on an Audi include a faulty oxygen sensor, a vacuum leak, a malfunctioning fuel pressure regulator, a clogged fuel injector, or issues with the engine’s air intake system.
Audi DTC P1112 seriousness
While DTC P1112 may not cause immediate harm to the engine, it can lead to decreased fuel efficiency and engine performance if left unresolved. It is recommended to address this issue promptly to prevent further damage to the vehicle.
How to diagnose DTC P1112 on Audi
To diagnose DTC P1112 on an Audi, a mechanic would typically use a diagnostic scanner to retrieve the trouble codes and analyze the data from the oxygen sensor. They may also perform a visual inspection of the engine components to check for any visible signs of damage or leaks.
How to fix DTC P1112 on Audi
Fixing DTC P1112 on an Audi may involve replacing the faulty oxygen sensor, repairing any vacuum leaks, cleaning or replacing the fuel injector, or addressing any issues with the fuel pressure regulator. It is recommended to consult with a professional mechanic to accurately diagnose and fix the issue.
How to erase DTC P1112 on Audi
To erase DTC P1112 on an Audi, a mechanic can use a diagnostic scanner to clear the trouble codes stored in the vehicle’s computer system. Once the issue has been resolved and the codes cleared, the Check Engine Light should turn off. It is important to ensure that the underlying problem has been fixed before clearing the codes.
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