Question about 2001 Volkswagen Beetle

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My Electronic Power Control (EPC) light comes on now after I changed the mass air sensor and nobidy knows how to fix it. HELP!!!!

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  • Anonymous Mar 21, 2014

    epc lite came on,and what does do? electronic power control.

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You have to find someone w/a scanner to reset it

Posted on Feb 02, 2010

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2005 VW Beetle. Engne light on and EPC light comes on with significantly reduced power.


Sounds like all those sensors are going to need replaced. Basically, they are all in charge of metering the air and fuel to the engine, so if they are malfunctioning, the car isn't going to run correctly.

Apr 16, 2014 | 2001 Volkswagen Beetle

1 Answer

Car bogs down epc light comes on, then goes off car runs then normally, I replaced mass air flow, front and back 02 sensors, but continues to bog and epc light goes on and off


epc is short for electronic pedal control, the throttle is controlled by an electric motor and has two angle sensors in the throttle body. the pedal it self has two sensors as well, sometimes after a battery replacement or replacement of certain parts (ecm throttle body pedal controls) the control modules need to be reset or "relearned" to one another. the dealer or independent shop with correct softwear can do this, if problem persists possible bad throttle body pedal sensors or ecm (engine control module)

Aug 07, 2011 | Volkswagen Beetle Cars & Trucks

1 Answer

Posible causes of epc light on my A3 fsi 2.0 2004 it doesnt have power


check secondary fuel pump .have sensor make sure the fuel presure is ok . the air mass is properly connect . engine upper cover is fix proerly with air mass.make sure the oxgen sensor is connect . and the trubo electric adjuster is working ,some modifcation sensor are replace now

Jul 19, 2011 | Audi A3 Cars & Trucks

1 Answer

Hi ! already bough 2001 gls jetta whit 79000 miles and the EPC light comes on and off I drove the car on a hill and the freeway and the car ran faster but the light come on and then goes off, today i was...


I wouldn't trust changing the MAF sensor out first. The make a cleaner that you can spray to clean the MAF. If this gets a little dirt on it, the air flow will be scattered causing the vehicle to ****, shut off, not start, etc. These are very sensitive and it REALLY don't take but your hand about 1 foot away from the air flow of this sensor, and your engine shuts down. Clean it first then go to option B...

Apr 18, 2011 | Volkswagen Jetta Cars & Trucks

2 Answers

Epc light on


EPC means Electronic Power Control.

When this light comes on, yopu could have such a sudden power loss.

However, before visiting a workshop for help, do the following basic checks:

No air leak into the intake system.

Ensure that all the electrical socket in the engine management system are well fitted, no loose contacts.

This light can be caused throttle valve malfunction, MAF, brake lights, EVAP , 02 sensor, secondary air pump.

I suggest you visit a competent dealer or independent shop for help. They will scan the EPC and run 'Throttle Body Adaption'. and diagnos the problem. Ask for a garage with a 'Ross Tech VAG-COM' or a ' VW diagnostics scanner.'

See here for a shop near you : http://www.iatn.net/shopfinder/

Jan 12, 2011 | 2005 Volkswagen Phaeton

1 Answer

I need to clean/replace the mass air inflow sensor. How to?


In your vehicle, the Mass Airflow Sensor is attached to the air filter assembly.

b65641c.jpg

Fig. The exposed -hot wire- of the MAF sensor


The MAF sensor uses a hot wire sensing element to measure the amount of air entering the engine. Air passing over the hot wire causes it to cool. This hot wire is maintained at 200°C (392°F) above the ambient temperature as measured by a constant cold wire. If the hot wire electronic sensing element must be replaced, then the entire assembly must be replaced. Replacing only the element may change the air flow calibration.

The current required to maintain the temperature of the hot wire is proportional to the mass air flow. The MAF sensor then outputs an analog voltage signal to the PCM proportional to the intake air mass. The PCM calculates the required fuel injector pulse width in order to provide the desired air/fuel ratio. This input is also used in determining transmission electronic pressure control (EPC), shift and torque converter clutch scheduling.



Removal & Installation
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect the battery ground cable.
  3. Disconnect the MAF sensor electrical connector.
  4. Remove the two retaining screws and the MAF sensor.
  5. To install, reverse the removal procedure.
d54f670.jpg

Fig. Mass Air Flow sensor

hope this help (remember rated and comment this help).

Mar 19, 2010 | 2003 Ford Taurus

2 Answers

MY EPC LIGHT IS COMING ON WHAT DOES IT MEAN


Here's and excerpt from a VW forum

"The EPC light means something is wrong in the drive-by-wire path, the "gas pedal" potentiometers or the electric motor-controlled throttle body, etc. I do not know if that relay qualifies, and I'm not even 100% sure what it does without research, but I assume it powers the ECM up when the ignition is on. Certainly the ECM is part of the electronic power control system, but I don't know if faults with the ECM are going to light the EPC light rather than the check-engine light."
It stands for Electronic Power Control.
There is a whole discussion about the EPC on this web site - May be of help.
http://www.passatworld.com/forums/showthread.php?t=208641

Aug 02, 2009 | Volkswagen Beetle Cars & Trucks

1 Answer

Epc on


The EPC light is the Electronic pedal control. The mass air meter, brake switch, the throttle body, the gas pedal, wiring, and the computer all are tied to the EPC light. If you had a EPC or the engine light on then there is a fault. This can cause the computer to enter a limp mode or the improper signal is sent from the accelerator which manifests itself as poor performance. There have been some recalls on this so I would visit your local VW dealer.

Jul 13, 2009 | 2000 Volkswagen Beetle

1 Answer

Car dies-hard to start


EPC= electronic pedal control it is a sensor and is located in front of the brake pedal . Depress brake with one hand ,the sensor with the other and release fast. this should disengauge the EPC lock listen for a thunk made by the EPC lock disengaging.

Go to auto zone. They will use a code reader to help you find exact component or components having errors. If its not the EPC.
it sounds like your mass air sensor or the throttle control sensor may be bad. Your gas and air may not be mixing properly thus causing your car to sputter, hesitate, and idle rough. It could be some other thinks like a bad plug or wire etc. Good Luck hope this helps. Please rate me if this helps thank you.

May 15, 2009 | 2004 Volkswagen Jetta

1 Answer

2000 new beetle 1.8Ltr Shuts off


The EPC (Electronic Pedal Control) is the "fly by wire" system that controls the throttle, it took the place of the cable that went from the gas pedal to the throttle body on VW. If this light is on and there is also a P0102, MAF (Mass Air Flow) related code stored in the vehicle's computer, the EPC may be caused indirectly from a faulty MAF. If the EPC is on and there is no other codes stored, it could be a faulty electronic throttle body or need to be re-programmed. The vehicle's computer must recognoze the throttle body so when replacing it with new or used it will need to be programmed at the dealer. Recently I replaced a MAF (a common problem on VW's) on a VW Golf and when I cleared the code the EPC went off as well.

Check the engine codes, and replace or repair the faulty sensor (most likely the MAF sensor).

Thanks for using FixYa - a FixYa rating is appreciated!!

Feb 08, 2009 | 2000 Volkswagen Beetle

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