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Year make and model ??
I would have the engine computer checked for trouble codes first.
When there is an engine problem, the other warning lights will come on because those systems use the engine to function.
First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the EPC (Electronic Pedal Control) yellow light will turn OFF. The check engine light:
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.
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/
Take it to the dealer, the EPC warning light - and even more the failsafe run which doesn't allow you drive faster than 20mph) is an indication of serious motor troubles. They can read the ECU faultcodes, which should be a good startingpoint for troubleshooting the cause ...
You could do some basic troubleshooting like checking the air filter, the oil level, the spark plugs, etc. You didn't fill it up with bad gas, did you ? And does the engine make strange noises/vibration when running idle ? In case you fixed some obvious cause, you can dis- and reconnect the battery to erase the engine's faultcode. If it's not fixed, the EPC (and failsafe run) will simply come on again.
My advice would be not to drive it untill it's fixed to prevent more potential damage.
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.