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Anonymous
Anonymous Posted on Nov 27, 2012
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98 jetta error code p0101

Jetta has error code b0101 the speedometer comes on and off

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raj somaiya

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  • Volkswagen Master 5,370 Answers
  • Posted on Nov 28, 2012
raj somaiya
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Joined: Nov 12, 2010
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Can be loose speedo wiring connectors under instrument panel or its issue with speed sensor on transmission.

I suggest you to go through help links mentioned below with appropriate solutions to confirm the problem :------

How to trouble shoot speedometer?

http://schematicsdiagram.blogspot.com/2011/06/speedometer-not-working.html

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1996 fiat bravo speedometer not working?

http://technoanswers.blogspot.com/2012/01/1996-fiat-bravo-speedometer-not-working.html
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Speedometer works but odometer not working?

http://technoanswers.blogspot.in/2012/01/speedometer-works-but-odometer-not.html


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Speedometer runs backward?

http://technoanswers.blogspot.com/2012/01/speedometer-runs-backward.html

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Warning lights on and speedometer died?

http://howtobyme.blogspot.com/2011/08/warning-lights-on-and-speedometer-died.ht

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Speedometer not working on 1993 Ford F350?


http://repairhelpcenter.blogspot.in/2012/02/speedometer-not-working-on-1993-ford.html

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ABS & Brake lights warning indicator steady on dash and speedometer not working for Dodge Ram?

http://howtobyme.blogspot.com/2011/11/abs-brake-lights-warning-indicator.html

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Vehicles Cluster panel Not reading Miles?

http://schematicsdiagram.blogspot.com/2011/12/vehicles-cluster-panel-not-reading.html

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Odometer works properly but speedometer works intermittently?

http://technoanswers.blogspot.com/2012/01/odometer-works-properly-but-speedometer.html

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These will help.
Thanks.

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2011 Nissan Sentra. Why the error codes P0420, P0101, P0131 come back before I can disconnect my scan tool?
Question edited for clarity, year make model FIRST.
Question moved to model category.

Hi Joe
If you clear codes, sometimes that will come straight back, sometimes a couple of drives later, sometimes they don't come back. All the codes are fuel related, fuel/air ratio, catalytic converter and MAF. Run a bottle of extreme fuel system cleaner through your system. This is good stuff, I have used it a few times.

Dura Lube Severe Fuel System Cleaner- 16 oz.

 Dura Lube https://www.duralube.com > products > severe-fuel-sy...

Jan 6, 2021 - $12.99 $11.99 ... DuraLube Severe Fuel System® Cleaner is highly concentrated and precisely formulated to clean the entire fuel delivery system ...
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Here are all the codes

MAF or Crack in Intake Hose
https://www.google.com/search?q=2011+Nissan+Sentra.+Why+the+error+code%2C+P0101

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https://www.google.com/search?q=2011+Nissan+Sentra.+Why+the+error+code+P0131

..
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The simplest thing to do is to reset the code and see if it comes back. Any loss of vacuum to the MAP sensor can cause this DTC to set. A number of problems can cause this code, for example, a bad mass air flow sensor, a vacuum leak, a leak in the air duct between the air flow sensor and the engine, a sensor wiring problem, etc. Even a plugged catalytic converter can cause this code. good-day !
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2002 chevy blazer 6 cyl, 4.3 engine, emissions inspection turned up two codes: P0101 and P0128. Runs fine, cleaned maf sensor and changed air filter, still getting codes. Are they related and tied into the...
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Can you help me decode these code #'s?
Hello mark...according to the manual for Volkswagen Engine and Transmission Codes...

P0101 Mass or volume air flow circuit performance problem

P3131 Exhaust Gas Recirculation (EGR) System Control Limit Exceeded

Dirt and carbon build up will cause this in some cases. You might try removing and cleaning the MAF sensor with an electrical contact cleaner first. You will still need to clear the error codes with VAG-COM and see if they return.

Good luck...i hope this helps.
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