Question about 1998 Pontiac Grand Prix

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To check the coilpack just get a test light ground it some where on the block then press the the test light on the head of each wire at the coilpack. You should hear a change in the way the car idles, if you get to one of the wires and the idle does not change, that is the cylinder that is giving you the problem; but it could be dead cylinder and not the coil pack.

In other words...
1. Set the dial on your voltmeter to "Ohms."
2. Touch one of the leads on the voltmeter to one of the electrical terminals on the coil pack. There are two terminals: one on the top of the coil pack and one on the bottom. It does not matter which lead from the voltmeter touches which terminal on the coil pack. Then, touch the other lead on the voltmeter to the other terminal on the coil pack.
3. Check the resistance. The display on the voltmeter should read between "0.0" and "0.05" Ohms. If it reads higher than "0.05" Ohms, then you need to replace the coil pack.

Hope helps (remember rated this).

Posted on Jul 09, 2010


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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1988 buick lesabre won't start

they can test your ECM (under the coil pack) at your local parts store

Posted on Jan 23, 2009

  • 1 Answer

SOURCE: 1998 Buick Lesabre How do you test the coil packs?

the coils are one integrated block with 3 separate segments. the coil pack is mounted to the ignition module and can be unbolted from each other. one can test the coils from the underside of the coilpack with a dvom. having said that your car should still start if one paired coil fails, it would however miss on one or two cylinders. I would suggest to scan for codes, monitor live sensor data to see if you have a valid crank signal, check fuel pressure and spark voltage

Posted on Feb 13, 2009

  • 88 Answers


you have shorted plug or wire let me know ok hey vote for me ok

Posted on May 24, 2009

  • 1986 Answers

SOURCE: No spark from coil pack

The most common reasons for them going out are not using dielectric grease properly when installing, and from washing your engine.

I believe this was a huge issue with Volkswagen vehicles

Posted on Aug 25, 2009

  • 1 Answer

SOURCE: My Lincoln is skipping and I know it's a coil

go to your local autoparts store if your check egine light is on only and they can snan it for u and tell u which one is bad . i did it was free it was my numger six

Posted on Aug 31, 2009

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