![Local mechanics are stumped. Error code P0171 (system too lean bank 1). Smoke test for vacuum leak has smoke coming from under the ignition coils at the front of the engine. : Local mechanics are stumped. Error code P0171 (system too lean bank 1). Smoke test for vacuum leak has smoke coming from under the ignition coils at the front of the engine. :](https://external-preview.redd.it/VbJRo9WqG3ZSjBdeD5zc40hAwpEsG2zpG_jSVpLqpXU.png?format=pjpg&auto=webp&s=1cafd67e315cd501088181cad2a060e82bc36798)
Local mechanics are stumped. Error code P0171 (system too lean bank 1). Smoke test for vacuum leak has smoke coming from under the ignition coils at the front of the engine. :
![Ошибка P0171 — Слишком бедная смесь. Решение. — Nissan Tiida (1G), 1,5 л., 2007 года | электроника | DRIVE2 Ошибка P0171 — Слишком бедная смесь. Решение. — Nissan Tiida (1G), 1,5 л., 2007 года | электроника | DRIVE2](https://a.d-cd.net/MJdBlC9FwzBFDdepDUNty2fScz4-960.jpg)
Ошибка P0171 — Слишком бедная смесь. Решение. — Nissan Tiida (1G), 1,5 л., 2007 года | электроника | DRIVE2
![Nissan Dayz vibrating on idle in D and R gear with DTC P0171 too lean - Nissan/Datsun - PakWheels Forums Nissan Dayz vibrating on idle in D and R gear with DTC P0171 too lean - Nissan/Datsun - PakWheels Forums](https://fcache1.pakwheels.com/original/4X/a/9/0/a90198766c37ba3b23c97a1ce26921344a76fdef.jpeg)
Nissan Dayz vibrating on idle in D and R gear with DTC P0171 too lean - Nissan/Datsun - PakWheels Forums
P0171 Nissan Micra - Fuel Trim Checks | Nissan Micra | P0171 lean codes are some of the most common seen in our shops. Fuel trim checks throughout different loads should be
![Nissan Sentra Service Manual: P0171 Fuel injection system function - Dtc/circuit diagnosis - Engine control system - Engine Nissan Sentra Service Manual: P0171 Fuel injection system function - Dtc/circuit diagnosis - Engine control system - Engine](https://www.nisentra.com/images/books/349/11/index185.gif)