P2188 code – System Too Rich at Idle (Bank 1) – How To Fix
Dec 9, 2024 · But don’t worry! Understanding this code is the first step in getting your car back to peak performance. Let’s dive into what the P2188 code means, its symptoms, causes, diagnosis process, …
P2188 – What Does It Mean and How To Fix It - OBD2PROS
This is one of the most frequent OBD2 trouble codes. Read the full article below to know what it means, how to fix it, and what other codes may show related to it.
P2188 Code: System Too Rich at Idle - CarParts.com
Dec 19, 2024 · Learn what the P2188 code means, its possible causes, and the common symptoms associated with it. Read on for more information.
P2188 System Too Rich Off Idle Bank 1 - OBD-Codes.com
This code is set for Bank 1, which is the bank of cylinders that includes cylinder number 1. This can be a mechanical or an electrical circuit fault, depending upon vehicle manufacturer and fuel system.
P2188 Code Symptoms, Causes, Diagnosis, Repair Costs ...
When a diagnostic scan returns P2188, the ECM has detected that the fuel mixture on cylinder bank 1 is richer than the target value while the engine is idling. A mixture that is too rich can waste fuel, …
P2188 code: Fix too much air in the air/fuel ratio
Jul 14, 2025 · What Does the P2188 Code Mean? The P2188 code, often labeled as “System Too Rich at Idle (Bank 1)”, is a generic powertrain diagnostic trouble code (DTC) triggered when the engine …
P2188 Code Explained: Too Rich at Idle on Bank 1 - AxleAddict
Aug 25, 2025 · Learn what the P2188 code means, common causes, symptoms, and how to fix a Bank 1 rich fuel condition to protect your engine and improve performance.