Unlocking the Enigma A Step-by-Step Guide to Resolving the P2187 Code

I have this error code (P2187 The mixture (cylinder bank 1) is too lean at idle speed.) for close to a year now which displayed the Check Engine Light in my ... The problem they found was three crank case vent hoses split up. they replaced three hoses and oil return, oil separa, several clamps. 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 ... P2187 = System Too Lean at Idle (Hyundai specific code). However, this is a little more difficult to fix as this indicates a LEAN condition, ... The computer has set a code P2187 indicating that the fuel mixture is lean at idle. This is the primary code, but any component malfunctioning within this loop ... P2187 System too Lean at Idle (?Additive) (Bank 1) ... In order to provide the best possible combination of drivability, fuel economy and emission control, the ... This error code states that the car is running lean at idle, yet im at 14-15 AFR at idle, which from what I read is normal. ... code. my question is if this is a common code to be kicked out from a catless system? Also am I able to go in and clear it and not have any ... I don't think a clogged fuel filter is the cause of the Lean at idle DTC. More likely a vacuum leak, which really only effects the air-fuel ... 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 ...