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2012 Volkswagen Tiguan Engine problems and Carbon Buildup. Should I try to fix it or just get rid of it? Details have been listed down below.

I have been experiencing the following problems with my VW Tiguan: 1. Slight hesitation and rough idling 2. Water and Carbon deposits coming out of exhaust 3. Burns an insane amount of gas Did a diagnostic. Mechanic says Oxygen sensor has error code. Mechanic also noticed upper gasket seals need replacing. Would these problems be solved by the above repairs? Need to know if I should fix it or just get rid of it. I would be very grateful for any advice.

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  • Volkswagen Master
  • 1,230 Answers

Before doing any repair you must check the problem with the help of service and repair manual with diagram which will provide you step by step help to locate and fix the problem on your own so no need for any mechanic it's waste of time and money so save both and get the manual from the given link https://toolsnyou.com

Posted on Aug 19, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Bloomingidoi

Stephen Pearson

  • 49 Answers

SOURCE: engine misfiring/fuel coming out exhaust

Sounds like you may need to inspect and replace your fuel line from front to rear. no other reason for your problem.

Posted on Nov 29, 2008

Anonymous

  • 1 Answer

SOURCE: 95 GMC Jimmy 4.3l W vin rough idle

My problem was solved when I repaired my 4 wd activation dash switch. The switch was contacting on 2WD & 4HI at the same time. The front differential activation is vacuum activated possibly creating a tug of war that didn't actually engage it but drained off vacuum from the engine? A theory at best but stumbbled across it because I knew the switch wasn't working properly I repaired it and low and behold rough idle disappeared and all is good for 3 weeks running.

Posted on Dec 10, 2008

Anonymous

  • 1 Answer

SOURCE: hesitation during acceleration

could be the type of plug you are using.I was told only to use ngk plugs.I recently put bosch plugs in my mazda 3 and the check engine light came on and it started missfiring.

Posted on May 03, 2009

MNfisherman

Nate Stansfield

  • 11896 Answers

SOURCE: 2003 Ford Taurus stalls at idle

go to autozone.com and register for free. You will then have a full free online repair manual with step-by-step directions, diagrams, troubleshooting, testing, replacing, and more. As an automechanic myself, this a wonderful site.

Posted on Jul 09, 2009

Matthew Boulden

  • 440 Answers

SOURCE: 2003 VW Golf - O2 Sensor?

Honestly it is not very expensive to replace, but it is not extremely important. What it does is measure the oxygen/fuel level coming out of the engine. This tells the computer that the engine is either using the right air/fuel mixture or allows the computer to change the mixture slightly to allow the car to run properly. You could pull the sensor out and clean the terminal as it usually has alot of carbon build up due to its location, but this is normally a temporary fix. I hope this helps you with your problem.

Posted on Jul 23, 2009

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