2001 volkswagen golf. Stared the car epc light was on and check engine light on, loss of power, would not drive over 20 mph, barely got uphill! Just purchased from used car dealer 3 days ago, im very upset! disconnected battery for ten minutes, reconnected started car, idles low and rough acts like its reving up and down without me pressing the gas...please help!
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you need to know what DTC is stored in the ECM. take car to have the codes checked and repost.There are many reasons the epc"electronic power control" light will come on.Most of the time the check engine light will be on as well,but even if it is not there will be a DTC stored in the ECM.
It sounds as if your vehicle may have severe water damage to the engine. The engine sensors on the golf are suseptable to water damage and can result in epc light that you are seeing on your dash, or so i was told by VW. I replaced all the sensors, alternator and the computer on my original engine, but this action didnt fix the problem. So i bit the bullet and replaced the engine, and haven't had a problem since. If you do the labor yourself it can be done as cheap as $4000. I hope this helps mate.
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/
Tell him to clean the electrical connector at the throttle body with 90% rubbing alcohol. He may want to use a nylon brush on the contact pins while cleaning. I'm pretty sure the car needs a throttle adaptation performed also. Find a shop with a Vag Com scanner, they can do it for you.
My EPC light magically appeared at 20K miles and the car squeaks like mad whenever it's moving. I don't notice any performance loss (engine-wise) in the car when the EPC light comes on but it won't let me switch gears from Park to R or D.
I have an appointment next Friday to have it looked at.
It's an automatic 2002 New BORA with JUST over 20K miles.