P1129

BAT Team

By BAT Team (Contact Me)
Last Updated 2017-01-17
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Trouble CodeFault LocationProbable Cause
P1129 Manifold Absolute Pressure Sensor Circuit Higher Than Expected (ACURA, HONDA)
Long Term Fuel Trim B2 System Too Rich (AUDI, VOLKSWAGEN)
Closed Loop Fueling Not Achieved Bank 2 (CHRYSLER, DODGE, JEEP, MITSUBISHI)
Downstream Oxygen Sensors Swapped from Bank to Bank (FORD, LINCOLN, MERCURY)
Electric Throttle Control System Malfunction (LEXUS, TOYOTA)

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Other Manufacturer Specific Definitions for P1129

Downstream Oxygen Sensors Swapped from Bank to Bank (Ford)
Throttle actuator control (TAC) system - malfunction (Toyota)
Long term fuel trim, system too rich (Volkswagen)
Manifold absolute pressure (MAP) sensor - pressure higher than expected (Acura)
Long term fuel trim, entire speed/load range, Bank 2 - system too rich (Audi)
Closed loop fuel control not achieved -bank 2 (Chrysler)
Heated oxygen sensor (H02S) 1, bank 2 signal error (Dodge)
MAP sensor – signal higher than expected (Honda)
Manifold absolute pressure (MAP) sensor - pressure higher than expected (Isuzu)
Closed loop fuel control not achieved -bank 2 (Jeep)
Heated oxygen sensors (H02S) 1 – sensors transposed (Land Rover)
Throttle actuator control (TAC) system- malfunction (Lexus)
Heated oxygen sensor (H02S) 2, bank 1/ bank 2 -interchanged (Lincoln)
Heated oxygen sensor (H02S)- rear- bank 1/bank 2 sensors transposed (Mazda)
Heated oxygen sensor (H02S) 2, bank 1/ bank 2 -interchanged (Mercury)
Closed Loop Fueling Not Achieved Bank 2 (Mitsubishi)
Manifold absolute pressure (MAP) sensor signal high (Saturn)

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