Forenza 2007

2.0L L4 VIN - Auto 7

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Trouble Code: P1791



Throttle Position Input Signal Circuit Malfunction

Possible Causes:



Circuit
 
TCM
 
ECM
 

Trouble Code: P1839



EDS 3 Output Shorted to Ground

Possible Causes:



Circuit
 
EDS 3
 
TCM
 

Trouble Code: P1840



EDS 3 Output Shorted to Power

Possible Causes:



Circuit
 
EDS 3
 

Trouble Code: P1841



EDS 3 Output Open

Possible Causes:



EDS 3
 
Circuit
 
TCM
 

Trouble Code: P1850



TCM Solenoid 1 Output Shorted to Ground

Possible Causes:



circuit
 
solenoid
 
TCM
 

Trouble Code: P1851



TCM Solenoid 1 Output Shorted to Power

Possible Causes:



Solenoid
 
Circuit
 
TCM
 

Trouble Code: P1852



TCM Solenoid 1 Output Open

Possible Causes:



Solenoid
 
Circuit TCM
 

Trouble Code: P1853



TCM Solenoid 2 Output Shorted to Ground

Possible Causes:



Solenoid
 
Circuit
 
TCM
 

Trouble Code: P1854



TCM Solenoid 2 Output Shorted to Power

Possible Causes:



Solenoid
 
Circuit
 
TCM
 

Trouble Code: P1855



TCM Solenoid 2 Output Open

Possible Causes:



Solenoid
 
Circuit
 
TCM
 

Trouble Code: P1861



EDS 4 Output Shorted to Ground

Possible Causes:



EDS 4
 
Circuit
 
TCM
 

Trouble Code: P1862



EDS 4 Output Shorted to Power

Possible Causes:



EDS 4
 
Circuit
 
TCM
 

Trouble Code: P1863



EDS 4 Output Open

Possible Causes:



EDS 4
 
Circuit
 
TCM
 

Trouble Code: P1864



EDS 5 Output Shorted to Ground

Possible Causes:



EDS 5
 
Circuit
 
TCM
 

Trouble Code: P1865



EDS 5 Output Shorted to Power

Possible Causes:



EDS 5
 
Circuit
 
TCM
 

Trouble Code: P1866



EDS 5 Output Open

Possible Causes:



EDS 5
 
Circuit
 
TCM
 

Trouble Code: P1867



EDS 6 Output Shorted to Ground

Possible Causes:



EDS 6
 
Circuit
 
TCM
 

Trouble Code: P1868



EDS 6 Output Shorted to Power

Possible Causes:



EDS 6
 
Circuit
 
TCM
 

Trouble Code: P1869



EDS 6 Output Open

Possible Causes:



EDS 6
 
Circuit
 
TCM
 

Trouble Code: P1871



EDS Valve Power Supply Circuit Shorted to Power

Possible Causes:



Circuit
 
TCM
 

Trouble Code: P1874



Solenoid Valve Power Supply Circuit Shorted to Power

Possible Causes:



Circuit
 
TCM
 

Trouble Code: P1881



2 - 1 Shift Malfunction

Possible Causes:



ECM
 
Circuit
 
TCM
 

Trouble Code: P1883



3 - 2 Shift Malfunction

Possible Causes:



ECM
 
Circuit
 
TCM
 

Trouble Code: P1884



4 - 3 Shift Malfunction

Possible Causes:



ECM
 
Circuit
 
TCM
 

Trouble Code: P1885



3 - 1 Shift Malfunction

Possible Causes:



ECM
 
Circuit
 
TCM
 

Trouble Code: P2096



Post Catalyst Fuel Trim System Too Lean Bank 1

Possible Causes:



Vacuum leakage
 
Exhaust gas leakage
 
Fuel injector malfunction
 
HO2S and/or its circuit
 
A/F sensor and/or its circuit
 
Engine compression
 
Valve clearance
 
Intake and exhaust valve
 
Valve timing
 
ECM
 

Trouble Code: P2097



Post Catalyst Fuel Trim System Too Rich Bank 1

Possible Causes:



Vacuum leakage
 
Exhaust gas leakage
 
Fuel injector malfunction
 
HO2S and/or its circuit
 
A/F sensor and/or its circuit
 
Engine compression
 
Valve clearance
 
Intake and exhaust valve
 
Valve timing
 
ECM
 

Trouble Code: P2101



Throttle Motor Control Motor Circuit Range / Performance

Possible Causes:



Throttle motor and/or its circuit
 
ECM
 

Trouble Code: P2104



Throttle Actuator Control (TAC) System - Forced Idle

Possible Causes:



Throttle body
 

Trouble Code: P2105



Throttle Actuator Control (TAC) System - Forced Engine Shutdown

Possible Causes:



Fuse
 
ECM circuits
 
ECM
 

Trouble Code: P2106



Throttle Actuator Control (TAC) System Performance - Throttle Limitation Active

Possible Causes:



Throttle body
 

Trouble Code: P2110



Throttle Actuator Control (TAC) System - Forced Limited Engine Speed

Possible Causes:



Throttle body
 

Trouble Code: P2119



Throttle Closed Position Performance

Possible Causes:



TAC motor and/or circuit
 
Throttle body
 
ECM
 

Trouble Code: P2122



Accelerator pedal position sensor 1 circuit low input

Possible Causes:



Harness or connectors
 
(The APP sensor 1 circuit is open or shorted.)
 
Accelerator pedal position sensor
 
(Accelerator pedal position sensor 1)
 

Trouble Code: P2123



Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

Possible Causes:



APP sensor and/or circuit
 
ECM
 

Trouble Code: P2127



Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage

Possible Causes:



APP sensor and/or circuit
 
ECM
 

Trouble Code: P2128



Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

Possible Causes:



APP sensor and/or circuit
 
ECM
 

Trouble Code: P2135



Throttle/Pedal Position Sensor/Switch -A- / -B- Voltage Correlation

Possible Causes:



TP sensor and/or its circuit
 
Throttle body assembly
 
ECM
 

Trouble Code: P2138



Accelerator Pedal Position (APP) Sensor 1-2 Correlation

Possible Causes:



APP sensor and/or circuit
 
ECM
 

Trouble Code: P2187



System Too Lean at Idle Bank 1

Possible Causes:



Oil level gauge
 
Oil filler cap
 
Engine oil
 
Coolant
 
Air intake system
 
Exhaust system
 
MAF & IAT sensor and/or its circuit
 
EVAP canister
 
EVAP canister purge solenoid valve
 
HO2S and/or its circuit
 
HO2S heater and/or its circuit
 
Engine mechanical system
 
Fuel system
 
ECM
 

 
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