P1092, P1093 and P2402 BMW -

Question

I have replaced all 4 oxg sens, fuel cap, spark plugs, secondary air valve, maf sensor both and im getting codes P2402, P1092 and P1093

Answer 1

HI there,

P2402 indicates an issue with the vacuum pump module. Here is a list of possible causes.

P2402 BMW - Evaporative Emission System Leak Detection Pump Control Circuit High

Read more: https://www.autocodes.com/p2402_bmw.html

P1092 and P1093 indicate the fuel is too lean on bank 2. Here is a list of possible causes.

P1092 BMW - Pre-Catalyst Fuel Trim Too Lean Bank 2

Read more: https://www.autocodes.com/p1092_bmw.html