Vw polo epc

In a few words: The EPC warning light comes on to indicate that there is a problem with the electronic system that controls the engine. You vw polo epc take into account that the problem may go from a burnt out headlight bulb to throttle failure. For this reason, trying to find the problem any other way may be a troublesome task. In these cases, the throttle will have a TPS Throttle Position Sensor and an actuator electric enginethat is to say, there are no mechanical connections between the throttle and the engine of the car, vw polo epc.

Post by Nodster » Fri Apr 03, am. Post by monkeyhanger » Fri Apr 03, pm. Post by Nodster » Fri Apr 03, pm. Post by silverhairs » Fri Apr 03, pm. Post by stuartrendall » Fri Apr 03, pm. Post by Chungster » Fri Apr 03, pm.

Vw polo epc

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It was unscrewed and hanging on the pipe. The fact you disconnect the MAF and the car works seems to suggest you haven't got vw polo epc air leaks in the intake system letting more air, bypassing the MAF, han the MAF accounts for when working normally.

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In a few words: The EPC warning light comes on to indicate that there is a problem with the electronic system that controls the engine. You should take into account that the problem may go from a burnt out headlight bulb to throttle failure. For this reason, trying to find the problem any other way may be a troublesome task. In these cases, the throttle will have a TPS Throttle Position Sensor and an actuator electric engine , that is to say, there are no mechanical connections between the throttle and the engine of the car. As a consequence, the EPC is in charge of the regulation of the throttle body according, mainly, to a signal sent by the throttle sensor. This is how fuel consumption and emissions are decreased.

Vw polo epc

Seeing this can be somewhat alarming, but what does the EPC light really mean? Continue reading to discover more! It means there is a trouble code stored in the EPC system. The Electronic Power Control system is monitored by the engine control unit , brake control unit, transmission control unit, and steering control unit.

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Post by Nodster » Fri Apr 03, pm. Post by Nodster » Fri Apr 03, am Hi all Need some advice please, I took the car out for a quick drive as it hasn't moved in like 3 weeks. Problem solved. Post by Nodster » Mon Aug 31, pm. All done under warranty luckily. Taking into account that the electronic acceleration system interacts with other systems of the car, it is possible that other warning lights will come on on the dashboard, such as the check engine light or the electronic stability control light , which appear below:. Lots of diagnostics performed and engine tests performed. Help Privacy Terms Feedback Publish with us. Log in Sign up. Have you changed the stock air filter for some oil soaked one? This warning light will turn on briefly when you turn the ignition key and then it will turn off, which indicates that the light works properly. Modern cars do not have this failure since they have better systems installed to their computers. Obviously no garages are open so I'm left to wait. How loud were the exhaust pops? Did you find the website helpful?

Many Volkswagen owners have encountered this issue, and, at first glance, it can seem fairly daunting. With a bit of knowledge and some troubleshooting tips, you can quickly find out what caused this warning to appear on your vehicle — and more importantly — how to fix it! First things first, what exactly is the EPC light?

Post by Nodster » Mon Aug 31, pm Never fedback what the issue was. If the warning light is still on even after the car has been started or if it comes on while you are driving, that means that there is a problem with the acceleration system. Post by Chungster » Fri Apr 03, pm. It was unscrewed and hanging on the pipe. Post by monkeyhanger » Fri Apr 03, pm Sounds like the MAF sensor thinks the car is getting more or less air than it actually is and either getting an implausible value and reverting to limp mode if it does that immediately on the fly, that could be your "thump" - massive engine braking effect from a car that is suddenly starved of fuel at rpm in a low gear. Taking into account that the electronic acceleration system interacts with other systems of the car, it is possible that other warning lights will come on on the dashboard, such as the check engine light or the electronic stability control light , which appear below:. Happy days. Was this information useful? The last two items happen because of the way the Engine Control Unit the main computer is programmed. Just don't comment if you aren't going to be helpful or supportive. So I think it must be in some sort of protection mode. A new car like that if it has a problem now may as well get it out of the way instead of it happening months or years down the line.