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1999 Volkswagen Jetta Ignition Coil

Tiny
LORENZOA
  • MEMBER
  • 1999 VOLKSWAGEN JETTA
Electrical problem
1999 Volkswagen Jetta 4 cyl Two Wheel Drive Manual

My 1999 Jetta frequently stalls on the freeway, the last time this happen I disconnected the number 4 spark plug wire and connect a spare plug plug and had a friend crank the engine. There was no spark. After about an hour, the car started up and I was able to drive it home. Any idea what may cause this and is it something that could be identified by a computer code reader. Ther check engine light comes on after the car starts but it soon goes away.
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Thursday, August 14th, 2008 AT 2:47 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
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Hi there,

get the code reader and see if you have any set fault codes, I would be looking for a cam or crank angle sensor fault.

Mark (mhpautos)
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Friday, August 15th, 2008 AT 5:35 AM
Tiny
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I check the code reader and there isn't anything else going wrong with it. I did notice that there is 12 volts going into the coil pack during the stalling event but no spark coming out of the coil.
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Friday, August 15th, 2008 AT 3:28 PM
Tiny
MHPAUTOS
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Hi there,

I would think that if you have no fixed fault codes that the coil pack may be faulty and causing a short when it over heats, may be see if you can get hold of a good second hand coil to try this theory out, as to start to do a full electrical diagnose is a major undertaking,

Try this next.

Mark (mhpautos)
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Saturday, August 16th, 2008 AT 4:20 AM

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