How to resolve the Volkswagen Lavida P209700 fault code?

[DeClara]

Volkswagen Lavida P209700 fault code should be inspected and cleared by professional maintenance personnel. Below is a partial introduction about the Lavida: 1. The Lavida is produced by Shanghai Volkswagen. While continuing the "dynamic and stylish" design language of the A-class car market, the LAVIDA Lavida embodies a new design DNA - "fusion". 2. As a new car tailor-made for Chinese consumers, the LAVIDA Lavida not only maintains the excellent quality of German design but also incorporates many aesthetic concepts reflecting traditional Chinese culture and cutting-edge design elements of the era.

[HavenLynn]

I remember my Lavida also threw a P2097 code last year, with noticeable shaking at low speeds and alarmingly high fuel consumption. I first checked the position of the rear oxygen sensor and found it completely clogged with dust—cleaning it provided significant relief. Then I inspected the vacuum lines and exhaust pipe, spotting a tiny crack which I temporarily patched with tape before getting it properly fixed at the repair shop. This kind of fault is usually related to a lean fuel mixture, with dirty sensors or air leaks in the lines being common culprits. It’s good to keep an eye on these areas during regular driving to avoid breakdowns.