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What does a coil pack do in a 1991 Pontiac Sunfire?

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Wiki User
2005-09-11 03:56:27
2005-09-11 03:56:27

Provides a high voltage to the spark-plugs so that the fuel ignites in the cylinders.

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The coil pack on a 2000 Pontiac Sunfire is located behind the air intake hose. Just behind where the air intake hose connects to the top of the motor is where the coil pack is on this vehicle.

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There is no distributor cap on a Pontiac sunfire, only a coil pack. coil pack is located on the back of the engine.

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To change the spark coil pack on a 1998 Pontiac Sunfire with a 2.4 engine, first disconnect the battery. Then remove the coil pack and spark plug. The spark plug should also be replaced with the new coil pack for best performance. Insert the new spark plug, then the new coil pack being careful not to bump any of the many other electronic parts. Then reconnect the battery.

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it sounds like you need a new coil pack Or you could have two of the plug leads reversed. I'd check and make sure I have voltage at all 4 plugs before I bought a coil pack.

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A malfunctioning coil pack can cause your 2001 Pontiac Grand Am to backfire. The more likely cause is a faulty fuel injector.

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Under the coil pack whick is right on top of motor..

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At the spark plugs. the long part of the wire goes on the plug and the L shaped end goes on the coil pack under the intake manifold which is between the engine and the firewall,but you also have to know the firing order at the plugs and at the coil pack.

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(2.4L) pretty sure it's ontop of the engine I think 4 bolts hold it in place under the coil pack are the spark plugs

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The 2.8 V6 has a single coil, not a coil pack It is located behind the distributor and on top of the engine. Unplug the wire harness, un bolt and reverse procedure to change.

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part of your coil pack could be bad or your ignition control module could be bad it just bolts right on top of your coil pack

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pull of the coil wire and unbolt the 2 10mil bold and its off

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under the coil pack i do believe front left side of the car

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The coil pack for a 1992 grand am is under the cover that has quad 4 written on it, be careful not to let anything drop into the valley when the cover is pulled off. The coil pack is white and there are 4 black rubber boots that act as the spark plug wires.

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The coil pack towers are numbered : coil---3---4 pack--2---6 plug---1---5

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it does not have a distributor cap, it has a coil pack, all you can change is the plugs and wires, just fallow the wires from the plugs back to where they end and theres your coil pack, butch

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1-3-4-2 No.1 at the passenger side of engine The Firing Order is 1-3-4-2 (Engine and Coil Pack) as Stated above, However I think You want the Plug Wiring for the Coil Pack. Which is : 2-3-1-4.

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it doesnt have a distributor cap. it has a coil pack AND...the coil packs are located under the cover on top of the engine.

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what is the number coil pack

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Probably your fuel pump. My sunfire did that to, would die while I was driving for extended periods of time. Everyonce in awhile I could get it to start but for the most part I had to call a tow truck (5 times in the winter) I brought it to the mech. he changed the alternator, coil pack, coil pack housing, spark plugs, wires going to the computer, and a whole lot of other stuff I didnt need. Most likely its your fuel pump.


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