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Throttle actuator stuck on closed

Idles and runs rough. Limite power. How to fix

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2005 ford five hundred replaced battery went into engine failsafe mode n will only idle no throttle response I replaced throttle body assembly just sits and idles


try using the scan tool to reset the ECM program
code p 2104 refers to throttle actuator control(TAC) system---forced idle mode ===causes ---wiring--TAC motor ---APP ensor--ECM
code p 2112 refers to throttle control actuatorTAC system---actuator stuck closed ===causes ---throttle body, throttle valve tight/ sticking
or TAC system--circuit malfunction===causes wiring short to positive ---short to ground ---throttle position sensor--- ECM

Feb 21, 2016 | Ford Cars & Trucks

1 Answer

Throttle body stuck, rough idle


Have you cleaned the throttle body bore and plate of carbon/deposits ? This can cause idle and off idle symptoms .

Nov 25, 2015 | Cars & Trucks

1 Answer

Have code p2104 and p2112 after changing battery? would only run about 500rpm for a while then started running good, still has light on


The throttle actuator control module is malfunctioning.
P2104 Throttle Actuator Control System Forced Idle

P2112 Throttle actuator stuck closed.

Shop around before buying. The prices vary greatly.

Hope this helps

Sep 12, 2011 | 2006 Ford Fusion

3 Answers

Can anyone tell me what does the following codes mean for my 2006 Ford F-150 Pick up 4.6 litre The codes are as follows: P210406, P2111, P2112, and P2135.


code p2111 throttle actuator control system actuator stuck open. throttle actuator control system circuit malfunction. brake vacuum implausible signal. code p2112 throttle actuator control system actuator stuck closed.throttle actuator control system circuit malfunction. code p2135 accelerator pedal position sensor switch a b voltage correlation. throttle position sensor switch a b voltage correlation. electronic throttle position sensor switch 1 implausible signal. did not see code p210406 that code too long.

Apr 15, 2011 | Ford F-150 Cars & Trucks

1 Answer

P2104 + p2112 car starts but runs rough an wont let me rev at all ends up dying out after a minute 2006 ford fusion


P2104--Throttle Actuator Control System-forced idle

P2112--Throttle Actuator Control System-stuck closed

That could be anything from-----simply spraying the throttle
plate with CRC Throttle Body Cleaner,to Coil misfires ,coming
back on your TPS Sensor and setting your codes,to a bad
APP Sensor (accelerator pedal position sensor) to worse
case,a bad TACM (throttle actuator control motor)

The TACM you never want,because it requires a complete
new throttle body from Ford --for the tune of over $600 just for the
part. That forces you to install yourself ,which is easy.

Spray the throttle plate and let me know if you have other
codes for misfires.

I hope you do not, still have 4 or 5 year old spark plugs
still in that motor. Get them out of there

Clean the MAF Sensor---CRC MAF Sensor Cleaner

Start doing this work yourself. You can not afford a thousand
dollars per visit at a dealer. I as others will help you out.

Mar 23, 2011 | Ford Fusion Cars & Trucks

1 Answer

2005 F150 5.4 Cuts off when driving at constant speed and show "Engine Fail Safe Mode" on display. It will crank back up and run for several hundred miles before doing it again. P2112 Throttle Air...


unfortunately no ! Your best bet take it to the dealer . The P0420 always ends up being the catalytic converter ! P2104 isn't throttle air control . P2112 - Throttle Actuator Control (TAC) System - Stuck Closed. Description: This powertrain control module (PCM) fault status indicates the throttle plate is at a lower angle than commanded. Possible Causes:
  • Binding throttle body, stuck closed.
  • Damaged PCM.
Diagnostic Aids: Application Key On Engine Off Key On Engine Running Continuous Memory All GO to DV1
P2104 - Throttle Actuator Control (TAC) System - Forced Idle Description: The TAC system is in the failure mode effects management (FMEM) mode of forced idle. Possible Causes:
  • Open or short in multiple accelerator pedal position (APP) sensor circuits.
  • Damaged APP sensor.
  • Damaged powertrain control module (PCM).
Diagnostic Aids: This DTC is an informational DTC and can be set in combination with a number of other DTCs which are causing the FMEM. Diagnose other DTCs first. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to QE1
P0506 - Idle Air Control (IAC) System RPM Lower Than Expected For Vehicles With Electronic Throttle Control (ETC) Description: This DTC is set when the powertrain control module (PCM) detects an engine idle speed that is less than the desired RPM. Possible Causes:
  • Air intake restriction.
  • Exhaust restriction.
  • Engine mechanical fault.
  • Damaged electronic throttle body (ETB).
  • Damaged PCM.
Diagnostic Aids: This DTC is informational only and it may be accompanied by other DTCs. Diagnose other DTCs first. If other DTCs are not present inspect the intake air system for air restrictions and damage. If no concerns are present, clear the DTC and retest. For All Others Description: This DTC is set when the powertrain control module (PCM) detects an engine idle speed that is less than the desired RPM. Possible Causes:
  • IAC circuit open.
  • Air inlet is plugged.
  • B+ or VPWR to IAC solenoid open.
  • Damaged or incorrect IAC valve.
  • IAC valve stuck closed.
  • VPWR to IAC solenoid open.
  • IAC circuit shorted to PWR.
Diagnostic Aids: Disconnect the IAC valve and look for little or no change in engine RPM as an indication of a stuck or damaged valve. Application Key On Engine Off Key On Engine Running Continuous Memory Vehicles With Electronic Throttle Control (ETC) Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. All others GO to KE1

Jul 03, 2017 | 2005 Ford F-150

1 Answer

Etc fail safe mode codes p2104 2107 2110 2111 2112


P2104 Throttle Actuator Control System - Forced Idle
P2107 Throttle Actuator Control Module Processor
P2110 Throttle Actuator Control System - Forced Limited RPM
P2111 Throttle Actuator Control System - Stuck Open
P2112 Throttle Actuator Control System - Stuck Closed

Seems like Throttle Actuator is the problem.

Good luck on this repair.

Jul 13, 2010 | 2005 Lincoln LS

1 Answer

2006 ford f150 codes 2104 and 2112


2104 Throttle Actuator Control (TAC) System - Forced Idle
2112
Throttle Actuator Control (TAC) System - Stuck Closed

sounds like you need a throttle body
the pcm is seeing the
throttle plate is at a lower angle than commanded

Oct 17, 2009 | 2006 Ford F-150

5 Answers

Engine goes to idle while driving


P2104 Throttle Actuator Control System - Forced Idle
P2106 Throttle Actuator Control System - Forced Limited Power
P2111 Throttle Actuator Control System - Stuck Open
P2112 Throttle Actuator Control System - Stuck Closed
P2135 Throttle/Pedal Position Sensor/Switch “A” /"B" Voltage Correlation
I looked it up and I will give you a web site I got it from http://www.f150online.com/forums/v8-engines/280570-p2104-p2106-p2111-p2112-p2135.html I hope this helps

May 25, 2009 | 2004 Ford Explorer

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