Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Long term fuel trim, entire speed/load range, Bank 2 - system too lean
Cause:
    Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak

Ford
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Lack of HO2S Switches, Fuel Trim at limit Conditions
Cause:
    Engine running in closed loop, then the PCM detected that the HO2S-11 signal did not switch due to a circuit fault or fuel control at its calibrated limit

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 2/3 - faulty components
Cause:
    HO2S 2, HO2S 3

Infiniti
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid - circuit malfunction
Cause:
    Wiring, control solenoid, intake system, hose leak/blockage, control vacuum check switch, MAF sensor, TP sensor, CKP sensor

Lexus
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Air fuel sensor - California - LH front - range/ performance problem
Cause:
    Wiring, air fuel sensor, ECM

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) adaptive limit achieved
Cause:
    Wiring, HO2S, fuel pressure, fuel system, mechanical fault, ECM

Nissan
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control solenoid - malfunction
Cause:
    Wiring, control solenoid, intake system, hose leak/blockage, control vacuum check switch, ECM

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) 1, Bank 1 - heater high input
Cause:
    Wiring, fuses, HO2S

Subaru
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) open circuit
Cause:
    Wiring, HO2S, ECM

Toyota
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Air fuel ratio sensor - California - LH front - range/performance malfunction
Cause:
    Wiring, air fuel ratio sensor, ECM

Volkswagen
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Long term fuel trim, system too lean
Cause:
    Fuel pressure/pump, injector(s), intake/ exhaust leak, AIR system, hose leak