Jetta

Tiny
TIGUE
  • MEMBER
  • 1998 VOLKSWAGEN JETTA
  • 4 CYL
  • 2WD
  • MANUAL
  • 126,000 MILES
1998 vw jetta sometimes wont start after being driven
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Saturday, August 6th, 2011 AT 7:05 AM

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Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/articles/car-cranks-but-wont-start

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if okay-check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,cap and rotor,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing
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Monday, September 12th, 2011 AT 10:47 AM
Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
Get a pray bottle of water. In the dark (in a well ventilated area)spray one component at a time on a running car. Start with the coil, I think it's along the firewall on this car. Look for blue sparks. Next hit up the distributer and spark plug wires all the way down to the spark plugs. When you find the sparks, you found the problem.
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Tuesday, September 27th, 2011 AT 7:53 PM

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