Unveiling the Secrets of the P2187 Code

997 Forum - Code P2187 - 2006 Carrera 997.1 / Tiptronic I am getting the following fault code: P2187 System too lean at Idle bank-1 & P2189 ... #mazda #p2187 #lean #checkengine #carproblems · original sound - @z ... The code reads P219A, which is a Fuel trim balance code. It's a ... Two days after taking it home, check engine light comes on. Dealer says i'm SOL. Advance auto parts read the code to be P2187 "system too lean ... Check the DTC Info with a scan tool. Diagnostic trouble codes P2177 or P2187 must not be activated. 2. If there are other DTCs set besides ... Comments16 · What Does SYSTEM LEAN Mean? · P2188 System Too Rich at Idle Bank 1 · Causes and Fixes P2187 Code: System too Lean at Idle (Bank 1). P2187 is a diagnostic trouble code (DTC) that indicates the engine control module (ECM) has detected a lean air-fuel mixture at idle in bank 1 of the engine. Should you fix P2177 yourself? Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor ... Have you checked to confirm no vacuum leaks? Just as @AKGC mentioned, make sure you aren't leaking from the intake manifold both lower and upper ... I have a 2006 Sonata with about 40,000 miles on it. Recently the check engine light came on, and checking the codes revealed a P2187, ... The code P2187 system too lean at idle bank 1.(Too lean at idle= not enough fuel per the amount of air when the engine is idle.)