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Passat idle great but wont accelerate falls flat when you step on the gas

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  • 3 Answers

Check the map sensor

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

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SOURCE: 2000 mazda millenia wont accelerrate when i step on the gas

Its time for a new fuel filter.

Posted on Feb 14, 2009

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SOURCE: engine stalls when acceleration

sounds like poss throttle pos sensor prob./ could also be problem w/fuel pump not pumping enough fuel at high speed. poss fuel filter clogging also. have someone check pump pressure.

Posted on Nov 11, 2008

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SOURCE: I have a vw passat 1999 1.8 T wont idle when started

i suspect the throttle body has lost its basic settings for some reason,ive only known of that happening a few times tho,but that is the symptoms of a throotle unit,plug in a scanner check the codes and reset the throttle body in basic settings

Posted on Feb 19, 2009

countrysi248
  • 443 Answers

SOURCE: rough idle, backfire on acceleration

check everything you can under the hood your air intake system all of it especially make sure all clamps are tight .. and make sure all vacuum hoses are good and not cracking or broken or just loose . you might run a little fuel cleaner through a tank of gas too cleaning the engine fuel system up some. just a few ideas.. Jerry

Posted on Apr 12, 2009

  • 62 Answers

SOURCE: 1999 VW Passat low idle

replace your fuel filter first. If that does not do it, then try an air-flow meter. (if the check engine light is on it may be an airflow meter.

Posted on Jul 11, 2009

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If it is Fuel Injection the filter or a weak pump would be the culprit.
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1 Answer

I have a vw passat 1999 1.8 T wont idle when started


i suspect the throttle body has lost its basic settings for some reason,ive only known of that happening a few times tho,but that is the symptoms of a throotle unit,plug in a scanner check the codes and reset the throttle body in basic settings

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