Question about 2001 Volkswagen Jetta TDI

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2002 VOLKSWAGENJETTA HAS VERY ROUGH RUNNING PROBLEM GAINING SPEED TO CLIMB HILLS. WHILE COLD RUNNING IS ALMOST NORMAL ONCE WARMED UP WE NEED TO DECREASE THE ACCELARATOR TO ALLOW THE CAR TO CATCH UP WITH THE RPMS SO IT SEEMS. IT SEEMS ALMOST AS THOUGH THE FIRING ORDER IS COMPLETLY OPERATING ON ABOUT 2 PLUGS? HELP IF YOU CAN

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Run the fault codes first to check for ignition/plugs-leads -coils and fuel pressure /injector problems . If auo box check for faulty TCM and if manual clutch check for clutch engagement and hydraulic/ cable problems as the deceleration to allow the car to cat up to the rpms indicates a slipping clutch or if auto the bands and clutch packs are not operating correctly.

Posted on Feb 15, 2014

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6ya6ya
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Posted on Jan 02, 2017

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j_del
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SOURCE: setting idle speed on a 2001 vw beetle 2.0-

The engine doesn't have a mechanical idle speed adjustment - VW/Audi have a software called VagCom (the diagnostic software they use) that is used to adjust the idle - it's completely computer-controlled. You have to change the idle speed using the software.

Posted on Oct 22, 2008

  • 2 Answers

SOURCE: lacks power

check the mass airflow sensor. When bad, there is reduced power and the computer uses a default setting

Posted on Mar 24, 2009

jfh1
  • 111 Answers

SOURCE: 2000 beetle cold start rough idle until it warms

Could be the fast idle sensor check to see that the vacume line is hooked up properly.

Posted on Mar 17, 2010

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