vw passat 199 1.8t car idling

1999 VOLKSWAGEN PASSAT
210 MILES • 4 CYL • FWD • MANUAL
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WHEREISMOMOAT
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  • 2 POSTS
i have a vw passat 1999 my idle keeps on going up and down and then sometimes my car will cut off due to the idling because my idle is not stable i want to know what can be the problems due to that
Dec 1, 2010 at 1:21 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check and test the mass aiflow sensor,throttle position sensor and the Throttle Valve Control Module
Dec 1, 2010 at 1:50 PM
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WHEREISMOMOAT
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  • 2 POSTS
can it also be my throttle body. and i also wanted to know where my computer is at in the vw passat 1999 1.8t because i was trying to find out if it can be a computer problem because my mechanic said that it can also be my computer because he hook up something to read my computer and his machine dont work and i also took it too vw and they hooked it up to and it doesnt read either.
Dec 1, 2010 at 2:05 PM
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