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Matt
Matt, Engineer
Category: VW
Satisfied Customers: 20588
Experience:  Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
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I have an issue with my vw new beetle The check engine light

Customer Question

My name is ***** ***** I have an issue with my vw new beetle The check engine light is flashing,
JA: Thanks. Can you give me any more details about your issue?
Customer: And there is a some sort of a vibration , apparently heard from the back of the car
JA: OK got it. Last thing — VW Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 8 months ago.
Category: VW
Expert:  Matt replied 8 months ago.

Hello

On any car if you get a check engine light or other fault light this typically means one or more of the sensors has failed or has a faulty connection.

The fault can be something quite simple and nothing that’s going to stop the car to something quite major that will reduce engine power and possibly stop the engine

The ECU senses this and may put the car into 'limp home' mode which typically limits the revs and the amount of power available. Usually the car is safe to drive for a short distance as the mode is intended is intended to get you home without incurring any engine damage

The quickest route to repair is to have the car plugged into a diagnostic machine which will read off the fault code stored in the ECU (providing the light is still on at this point) and indicate which sensor has failed or whether the fault is more serious.

You can do a very rough and ready check yourself by unplugging sensors one at a time and seeing if any of them change the driving condition which would indicate the most recently unplugged sensor is the faulty one. This method is not foolproof though and reading a fault code off is the better method.

Expert:  Matt replied 8 months ago.

alternatively

if you can describe how the car drives

I can try and help further?

Expert:  Matt replied 8 months ago.

Hi

do you still need help?

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