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I had the check engine light checked, it had codes showing for P2128, P2138

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: check eng light is on

Most common problem for 0449, and 0455 on this truck is dust in evap vent valve causing valve to stick open and resulting in 0455
need to replace evap vent valve and clean dust from vent hoses

Posted on Aug 09, 2008

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  • 102 Answers

SOURCE: 2002 Jetta TDI check engine light

very common for the harness that plugs onto the glow plugs to have too much resistance it will still work but will set codes

Posted on Mar 23, 2009

BCAS1298
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SOURCE: CHECK ENGINE LIGHT ON AND REDUCED POWER LIGHT ON,

Replace your throttle position sensor, runs about $60.00 sit on throttle body has a round connector with three wires going o it.

Posted on Jan 05, 2010

FixinFax
  • 3085 Answers

SOURCE: 07 chrysler sebring check engine light and gascap

It might take 2 or 3 gas fill-ups before the light goes off. Don't worry.

Posted on Feb 27, 2010

melvi_99
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SOURCE: I have codes p2110 and p2138 2007 Kia Optima seems

you sid that it will go off and the engine idle is good, it means the trouble is now cleared. the history of that problem came from electronic throttle control and the accelerator position sensor, if this happens again, just clean the throttle valve and inspect and clean the pedal sensor, change if necessary

Posted on Jul 22, 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

P2138,p2128


Problem is with the tps (throttle positioning sensor) or wiring. Does it idle weird? or stall?

Jun 16, 2016 | Cars & Trucks

1 Answer

Honda pilot engine code p2138


Throttle position sensor code. Check the wire is not damaged and the connected is secure. This is laced on the throttle body.
good luck

Jun 06, 2014 | Honda Pilot Cars & Trucks

2 Answers

P2138 code for a 2004 dodge ram 5.7 liter


Were the APP codes there BEFORE they replaced the BCM? APP codes usually are an indicator the throttle body needs to be replaced. As a precaution, some recommend to replace the throttle body AND the sensor on the gas pedal together. Unfortunately, this is a dealer only repair most o the time, since the ECM will have to be flashed to sync the new sensors.

Dec 13, 2012 | 2004 Dodge Ram 1500

1 Answer

Code aps p2183


Generic OBD Error Code Details for P2183 Engine Coolant Temperature Sensor 2 Circuit Range/Performance
You could have a stuck open engine thermostat.

Oct 15, 2012 | 2006 Mitsubishi Lancer

1 Answer

I have a 2008 chevrolet impala, my engine light comes on and a message states engine power is reduced. i took it to autozone and they gave a code of p2138 can someone tell me what this is


DTC P2138 - TPS/Pedal Position Sensor/Switch D/E Voltage Correlation

Check wires and harnesses connections first, then its possible that the sensor go to bad.

Keep us updated.

Jan 20, 2011 | Chevrolet Impala Cars & Trucks

2 Answers

Code p2138


P2138 is Throttle Pedal Position Sensor/ Switch D / E Voltage Correlation. Replace the Throttle Pedal Position Sensor/Switch.Remember to have the set code Cleared from the cars computer, this will turn off the check engine light and reset it. Good Luck and have a good XMASS.

Dec 17, 2010 | 2006 Nissan Altima

2 Answers

Trouble codes P2128, P0643, P2138, P2122


ck with Nissan dealer, he can tell you.

Sep 11, 2010 | 2006 Nissan Altima

1 Answer

I have a p2138 code and when engine light comes on it starts losing power and you to shut off engine and restart and it will go for awhile and it will happen again. next day no problem


There is a GM Technical Service Bulletin (TSB) on this issue, below is a summary;

#07-06-04-019A: Intermittent MIL/SES, DTC P2138 with Reduced Engine Power (Repair Instrument Panel (IP) to Body Harness Connector)

Models: 2005-2008 GM Passenger Cars and Light Duty Trucks (Including Saturn)
2005-2008 HUMMER H2
2006-2008 HUMMER H3
2005-2008 Saab 9-7X


Condition

Some customers may comment on an intermittent MIL/SES light Illuminated with a message center or an indicator that displays Reduced Engine Power. DTC P2138 - Accelerator Pedal Position (APP) Sensor 1-2 Correlation may be set. The voltage difference between APP sensor 1 and APP sensor 2 exceeds a predetermined value for more than a brief period. Refer to DTC P2138 in SI for further diagnostics.

Cause

On some vehicles, the IP to body harness connector, which carries the APP signal to the ECM/PCM, is located in the left hand kick panel area or inside the IP. Water intrusion into these areas could cause an electrical short in the APP circuits setting a P2138 code.

Correction

Note: Make sure that no add-on/aftermarket equipment is electrically connected to the APP signals or to the other ECM/PCM five volt reference or return lines. These can generate false P2138 and/or other ETC System DTCs. If there are other engine DTCs besides P2138, such as MAP sensor faults (i.e. P0107, P0108), resolve these first before attempting to diagnose P2138 DTCs.

Important: Refer to DTC P2138 in SI to confirm that the ETC pedal is operating correctly.

Locate the IP to body harness connector, which may be located in and around the left hand kick panel area or inside the IP. Check to see if there is a water leak into the area and repair as necessary. Use a water hose to determine the source of a water leak and effectiveness of repair. Some examples of potential water leaks are: A-pillar seals, sunroof drain lines (if so equipped) and windshield/cowl sealing. Finally, repair or replace the IP to body harness connector, making sure no corrosion or debris is left on or between the terminals.

Sep 07, 2010 | Chevrolet TrailBlazer Cars & Trucks

1 Answer

Check Engine light !


i have a 2004 acura tl an is giveing me code p2138

Jun 01, 2009 | 2004 Honda Accord

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