Result:

p1128

Acura
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Manifold absolute pressure (MAP) sensor - pressure lower than expected
Cause:
    MAP sensor

Audi
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Long term fuel trim, entire speed/load range, Bank 1 - 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:
    Front HO2S, HO2S Swapped Bank-to-Bank Conditions
Cause:
    Engine running in closed loop, then the PCM detected the HO2S signal response to a fuel shift did not correspond to the correct engine bank Note DTC P1127 will not be present if the exhaust system is not hot

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Manifold absolute pressure (MAP) sensor - pressure lower than expected
Cause:
    MAP sensor

Hyundai
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Long term fuel trim - multiplicative - system too lean
Cause:
    HO2S, fuel pressure, fuel system, mechanical fault, ECM

Infiniti
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle motor - short circuit
Cause:
    Wiring, throttle motor, ECM

Isuzu
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Manifold absolute pressure (MAP) sensor - pressure lower than expected
Cause:
    MAP sensor

Lexus
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle actuator control (TAC) lock - malfunction
Cause:
    TAC motor, throttle body, ECM

Mazda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Heated oxygen sensor (HO2S) sensors transposed
Cause:
    Wiring

Nissan
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle motor - short circuit
Cause:
    Wiring, throttle motor, ECM

Toyota
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Throttle actuator control (TAC) lock - malfunction
Cause:
    TAC motor, throttle body, 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

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