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1999 Buick Regal 99 Buik Regal wont start

Tiny
RICKCHADWELL5
  • MEMBER
  • 1999 BUICK REGAL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
My wife was able to start the car and drive to work, but after work, she was not able to start it. The car turns over, but will not fire up. I checked the spark plugs and they all look fine, but I did notice some oil coming from the ones on the back of the engine. Just a few days ago it almost didn't start, but I simply turned the key off and then back on and it started right up. The plugs have been changed recently, but I'm not sure about the wires. I heard it could be the coil pack or an oxygen censor. What do you think?
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Friday, March 19th, 2010 AT 12:47 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Cranks but no start condition:

Fuel and Spark:
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 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, 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, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
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Friday, March 19th, 2010 AT 12:50 AM

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