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Mitsubishi chariot with Dtc code 78 App sensor

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Posted on Jan 02, 2017

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SOURCE: 98 mitsubishi grandis chariot fault code 78

mitsubishi grandis 1999 low fuel, it starts but cut out

Posted on Jun 19, 2010

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Have a 2010 Chevy impala. Reduced engine power. Service traction control and stability track. and check engine light. Codes are P2138 P2122 P0455


Electronic throttle control !
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

2009 Chevy Silverado P2138 Accelerator Pedal Position


Circuit/System Description
The throttle actuator control (TAC) system uses two accelerator pedal position (APP) sensors to monitor the accelerator pedal position. The APP sensors 1 and 2 are located within the pedal assembly. Each sensor has a 5-volt reference circuit, a low reference circuit, and a signal circuit.
Two processors are also used to monitor the TAC system data. Both processors are located within the engine control module (ECM). Each signal circuit provides both processors with a signal voltage proportional to pedal movement. The processors share and monitor data to verify that the indicated APP calculation is correct.

DTC P0455: Evaporative Emission (EVAP) System Large Leak

The control module tests the evaporative emission (EVAP) system for a large leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the EVAP system vacuum level. When the conditions for running are met, the control module commands the EVAP canister purge solenoid valve OPEN and the EVAP vent solenoid valve CLOSED. This allows engine vacuum to enter the EVAP system. At a calibrated time, or vacuum level, the control module commands the EVAP canister purge solenoid valve closed, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum level. The following table illustrates the relationship between the ON and OFF states, and the OPEN or CLOSED states of the EVAP canister purge and vent solenoid valves.

Nov 03, 2017 | Cars & Trucks

1 Answer

I have a 2004 grand prix,sputters at 2000 rpm no engine light.w/ car off key on, press gas 5 times get codes 1125,2125. clear codes light goes out but still sputters. do i change accelerator and TPS?


.The control module provides the APP sensor a 5-volt reference circuit and a low reference circuit. The APP sensor then provides the control module a signal voltage proportional to pedal movement. The APP sensor 2 signal voltage is low at rest and increases as the pedal is depressed. When the control module detects that the APP sensor 2 signal or the APP sensor 5-volt reference voltage is outside the predetermined range, DTC P2125 sets.

The control module provides the APP sensors a 5-volt reference circuit and a low reference circuit. The APP sensors then provide the control module signal voltages proportional to pedal movement. The APP sensor 1 signal voltage is low at rest and increases as the pedal is depressed. The APP sensor 2 signal voltage is also low at rest and increases as the pedal is depressed. One APP sensor DTC will not cause the Reduced Engine Power message to be displayed. Two APP sensor DTCs for the same sensor also will not cause the Reduced Engine Power message to be displayed. However, if two or more DTCs are set involving more than one APP sensor, DTC P1125 will set.

Jan 17, 2017 | Cars & Trucks

1 Answer

How can I find fault codes without a DTLC on a mitsubishi chariot, engine number 4G64, year of make 2000


Search on "Mitsubishi chariot fault codes". Check the hit list then work your way through the likely ones.

Jun 16, 2015 | Mitsubishi Cars & Trucks

2 Answers

2007 chevy tahoe loses power


No messaage of reduced engine power ? Your vehicle has electronic throttle control . Has four position sensors , two are located in the gas pedal ,an two in the throttle body . The PCM uses these sensor to know how much to open the throttle plate ,allowing more air into the engine . How did you read this code an where did you read it's definition at ? This is not a code for your vehicle . Some time cheap code readers get them wrong .
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

DTC P1516: Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P2101: Throttle Actuator Position Performance
DTC P2119: Throttle Closed Position Performance
DTC P2176: Minimum Throttle Position Not Learned

If one of this position sensors is bad it will throw the PCM into a
Reduced Engine Power Mode
When the ECM detects a condition with the TAC system, the ECM may enter a reduced engine power mode. Reduced engine power may cause one or more of the following conditions:
• Acceleration limiting--The ECM will continue to use the accelerator pedal for throttle control; however, the vehicle acceleration is limited.
• Limited throttle mode--The ECM will continue to use the accelerator pedal for throttle control; however, the maximum throttle opening is limited.
• Throttle default mode--The ECM will turn off the throttle actuator motor and the throttle will return to the spring loaded default position.
• Forced idle mode--The ECM will perform the following actions:
- Limit engine speed to idle by positioning the throttle position, or by controlling the fuel and spark if the throttle is turned off.
- Ignore the accelerator pedal input.
• Engine shutdown mode--The ECM will disable fuel and de-energize the throttle actuator.


017 Accelerator Pedal Position Sensors
Drive by Wire Function and diagnostics by Wells

Jan 01, 2018 | 2002 Oldsmobile Silhouette

2 Answers

Reduced engine power, service traction control, service stabilitrak


First of all a scan tool is need for this not a code reader, you need to view scan data after you find what code is stored in the PCM. It could have a problem with the powertrain control module, wiring, or the Accelerator Pedal Position (APP) Sensors. Here are a few codes that could set .
DTC P2120: Accelerator Pedal Position (APP) Sensor 1 Circuit

DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage

DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage

DTC P2125: Accelerator Pedal Position (APP) Sensor 2 Circuit

DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage

DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage

DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation

Oct 02, 2012 | 2008 Chevrolet Tahoe LS

2 Answers

The code is p1125bb


Diagnostic Test Code (DTC) P1125 Has to do with your Accelerator Pedal Position Sensors (APP).

The APP sensor 1 and APP sensor 2 are potentiometer type sensors with the following circuits.
• A 5-volt reference circuit
• A low reference circuit
• A signal circuit
The APP sensor 1 signal to the PCM is low at rest and increases as the pedal is depressed. The APP sensor2 signal also low at rest and increases as the pedal is depressed. DTC P1125 sets when BOTH of these sensors have a problem. It will not set if only one of the sensors are not reading correctly. This code also does not set alone. There will be at least 2 other APP fault codes set along with this code and these codes MUST be diagnosed first.

May 15, 2011 | 2006 Buick LaCrosse

2 Answers

Am driving a mitsubishi chariot grandis it just switched off engine while still driving, when i tried to restart it starts but switches itself off it doesnt run the engine. please help what could be tha...


Hello and welcome to FixYa!

This can lead to many things, most of all is because of a bad sensor. There can be a bad sensor somewhere and I strongly suggest that you have the engine scanned. During the diagnostic it will list the trouble codes and by then you'll know what part is in need of replacement.
Although in my own opinion, it can be a possible MAF (mass air flow) sensor issue. If the MAF is faulty there will be vacuum irregularities.
Hope this helps and thank you for using FixYa! Have a good one!

Apr 25, 2011 | Mitsubishi Colt Cars & Trucks

4 Answers

98 mitsubishi grandis chariot fault code 78 APS(main)


mitsubishi grandis 1999 low fuel, it starts but cut out

Jun 02, 2010 | 1984 Mitsubishi Starion

1 Answer

Fault code 77 & 78 aps app on my spacewagon gdi 1999


get an diagnostics check.. it might be ur m.a.f. sensor. i had the same problem. it idled high. and wouldn't break 60 mph

Feb 12, 2009 | Mitsubishi Colt Cars & Trucks

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