Why did my Jetta stall?

Tiny
SAXOPHONEHERO11
  • MEMBER
  • 2000 VOLKSWAGEN JETTA
  • 152,000 MILES
My 2000 1.8L T Jetta recently stalled; on two prior instances the car had stalled but started back up immediately, so I passed it off as just listening to the radio with the car off too much. However now it is on the side of the road not starting. The battery is fine along with the spark plugs. There is plenty of gas, clean oil, and radiator fluid. Please help.
Monday, April 16th, 2012 AT 9:11 PM

6 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Did you say it has spark at plugs?
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Monday, April 16th, 2012 AT 9:15 PM
Tiny
SAXOPHONEHERO11
  • MEMBER
  • 4 POSTS
Yes all 4 have been replace within the last 20,000 miles
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Tuesday, April 17th, 2012 AT 3:30 AM
Tiny
SAXOPHONEHERO11
  • MEMBER
  • 4 POSTS
After sitting for several hours, the car started up first try with no problem. I proceeded to turn it off and start it again, and again it started on the first try.
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Tuesday, April 17th, 2012 AT 3:49 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
I meant did you check for spark?
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Tuesday, April 17th, 2012 AT 3:49 AM
Tiny
EXOVCDS
  • MECHANIC
  • 1,883 POSTS
Engine speed sensor (crankshaft position sensor) or ECM Relay. Either one will cause the engine to stall/quit, or NOT start when
the part is acting up.

The Crankshaft Sensor usually fails when the engine is hot and then
works again when the engine is cold. When it fails completely, it
won't work when cold either.

When the ECM relay fails, the "Check Engine Light" in the dash will
not come ON (when the key is in the ON position).

The next time the engine does not start, check to see if the "Check
Engine Light" is ON, when the KEY is in the ON position.

Thomas
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Wednesday, April 18th, 2012 AT 7:34 PM
Tiny
SAXOPHONEHERO11
  • MEMBER
  • 4 POSTS
Took it to a mechanic, luckily it would not start for them; they determined that it was the crankshaft sensor. They replaced that, the spark plugs, and all of the filters. Thank you both very much.
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Friday, April 27th, 2012 AT 12:00 PM

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