Question about 2001 Suzuki Esteem

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Is there a difference between Ignition coil and a coil pack and is there a way to test themI

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  • Suzuki Master
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Hi.

What is called generally ignition coil belongs to engine with mechanic or electronic distribution.
The coil is a device capable to generate an high voltage pulse that goes to the spark plugs.

Coil pack refers to the set of coils used in distributorless engines.
In this case a computer, and not the distributor controls a set of coils. Each coil supplies power to an individual spark plug or to a couple of spark plugs.

Coil and coil pack are in essence made in the same way. Both devices are composed of induction coils made of thin copper wired rolled thousand of times inside the coil. What changes is the way they are arranged and used in the different engine system.

Here an explanation of how distribution works.

Here the coil pack system in a DIS explained.

A way of testing coil pack is disconnecting one of them and observing if there is difference in the way engine is running.
Coils can also be swapped to observe if they work.
Unless you know what you are doing, it is better not to try this way of coil pack testing. DIS electronic ignited engines are quite sensible to misfire.

A coil is basically tested using a voltmeter to read the pulse. Reading Ohms can also tell if the coil is broken. Here the procedure.
Here generic coil testing tips.

Posted on Aug 12, 2010

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Posted on Jan 02, 2017

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I HAVE REPLACED THE COIL PACKS AND THE COMPUTER ON MY 2006 F150,BUT I STILL GET AN ERROR CODE OF 352.WHY IS THIS ?


P0352 - Ignition Coil B Primary/Secondary Circuit Description: See the description for DTC P0350. Possible Causes: See the possible causes for DTC P0350. Diagnostic Aids: See the diagnostic aids for DTC P0350. Application Key On Engine Off Key On Engine Running Continuous Memory Coil-on-plug (COP) ignition testing - GO to Pinpoint Test JF . GO to Pinpoint Test JF . Coil pack ignition testing - GO to Pinpoint Test JE . GO to Pinpoint Test JE .
P0350 - Ignition Coil Primary/Secondary Circuit Description: Each ignition primary circuit is continuously monitored. The test fails when the powertrain control module (PCM) does not receive a valid ignition diagnostic monitor (IDM) pulse signal from the ignition module (integrated in the PCM). Possible Causes:
  • Open or short in the Ignition START/RUN circuit
  • Open coil driver circuit
  • Coil driver circuit shorted to ground
  • Damaged coil
  • Coil driver circuit shorted to VPWR
Diagnostic Aids: Use the 12-volt non-powered test lamp to verify START/RUN voltage at the ignition coil harness connector.
Check the coil driver circuit for open, short to VPWR, or short to ground. Application Key On Engine Off Key On Engine Running Continuous Memory Coil pack ignition testing GO to Pinpoint Test JC . Coil-on-plug (COP) ignition testing GO to Pinpoint Test JB . Without me testing , it's hard to say what you got going on ! Coil packs ? What engine does it have ? 5.4 L ? should have coil on plug ignition .

Jan 13, 2017 | 2006 Ford F-150 Regular

1 Answer

Coil packs I replaced #4 and #5 went out. Why?


How to Tell if You Have a Faulty Coil Pac How a Coil Pack Works When creating a spark at the spark plug, the fire must initiate from a high voltage supply, so as much fuel as possible burns in the cylinder. Whenever the combustion process is started, the coil pack builds up the energy, as much as 50,000 to 75,000 Volts. When the electronic control module (the car computer) sends the signal to the ignition control, the voltage is released from the coil pack through the spark plug cables to the spark plug.
When the spark travels to the spark plug, it jumps from the spark plug gap to the ground, causing an explosion of the fuel air mixture inside the cylinder chamber Coil Pack Problems Usually, if a coil pack is bad, there will be a loss of fire or spark in one or more cylinders. This causes what's commonly referred to as misfiring. Misfiring can cause drag on the crankshaft, and usually results in a very poor performing engine Common Symptoms of a Faulty Coil Pack A faulty coil pack will generally have symptoms similar to a faulty spark plug. Some of the most common tell tale signs that a coil may be defective include:
  • A rough idle
  • An unexplainably louder-than-usual engine
  • A noticeable lack of power
  • A significant drop in RPMs while accelerating for no apparent reason
  • A blinking or intermittently activating check engine light
  • An active gas warning light when the vehicle has plenty of gasoline
  • Smoke from the exhaust emitting intermittently, instead of in a steady strea How to Test a Coil Pack Fortunately, there is an easy way to test the coil packs in your vehicle and make sure they're working as they should. You need to use ohm meter to test the coil pack for continuity. Make sure you have the approximate ohm values for the coil pack. To find this information, research your car's engine on the Internet or purchase a Chilton's or Haynes manual to find out what the mega ohms reading on the coil pack should be. What Coil Pack Works with a Rotary Engine? Most rotary engines require a different type of ignition coil pack. Below are two, one for a standard replacement, and one that is a higher voltage performance type coil pack.
    Original Equipment Replacement
    Beck Arnley is a well known name in the automotive ignition parts industry. They are favored by many mechanics, especially those that work mostly on import cars. The Beck Arnley 178-8025 rotary engine coil pack is a direct replacement for original equipment parts on older Mazda cars with a rotary engine. You can expect to pay about $55 for one.Performance Replacement
    M&W Ignition Systems is a fairly well known name in the import performance market. Their part number PAK005 is a high performance ignition coil pack for the performance enthusiast who isn't afraid to spend a little more on a high quality high performance part. With prices running around $245 for a double coil pack for direct fire ignitions, these coil packs will deliver years of excellent performance.
    When ordering a coil pack for your rotary engine equipped car, you need to know the year and model as well as the engine displacement to ensure you are given the correct parts.

Sep 30, 2016 | Cars & Trucks

1 Answer

Detailed instructions to test 2002 Saturn SL coil pack? Can I test them without taking them off?


Stephanie, Check the attached links,instruction and guides on testing GM coil packs, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
http://easyautodiagnostics.com/gm/2.2L/how-to-test-the-ignition-coil-pack-1
Going to test the coil packs tomorrow How Saturn Spot
http://diagnosecarproblems.blogspot.ca/2009/04/how-to-test-ignition-coil-on-1999.html

Aug 14, 2016 | Saturn Cars & Trucks

1 Answer

Replace coil packs on the ford explorer 2006


What codes P0304 & P0308 ? This just means the PCM detected a misfire on those cylinders .an could be a few different things !
What ignition type does your vehicle have coil on plug or a coil pack with 8 plug wire towers ? If you have coil on plug ignition there are two wires going to the coils , one has battery + an the other is control from PCM . Check power first with volt meter or test light . Or use a spark tester on those two cylinders . No Spark Testing control testing

Feb 24, 2015 | 2006 Ford Explorer Eddie Bauer 4x4

1 Answer

2001 dodge dakota is just started running on 7 cylinders, i changed spark plugs and coil packs 1 1/2 yrs ago. how do you test a coil pack ?


Since the 5.9 engine uses one coil and a distributor, I will assume you have the 4.7 engine with coil on plug ignition.
The easiest way to test the coil is to move it to a different cylinder and see if the miss moves with it.
Problem could be an injector or something mechanical too.

Feb 28, 2013 | 2001 Dodge Dakota

1 Answer

I was having a problem with the engine cutting out, so I changed the spark plugs and filled the tank with good gas and fuel injector cleaner, and now it is missing worse than before. What is the problem?


it could be anything but i would say you should check the ignition coils first. you can do this by testing the resistance in the coil packs. make sure the engine is off and the key is not in the ignition. if you set your voltmeter to ohms take the 2 ignition wires off of one coil pack. touch your voltmeter lead wires to the 2 posts on the ignition coil. it should read 4000-8000 ohms if you have a bad coil it will usually be close to 0 ohms. do this test for all coil packs. each coil pack ignites 2 cylinders so if you have a v6 you will need to test 3 packs and 4 packs on a v8

Apr 02, 2010 | 2003 Chevrolet TrailBlazer

3 Answers

Ignition module where do I find it.


The ignition coils are mounted on it. Just follow the spark plug wires.

Nov 18, 2009 | 2005 Chevrolet Impala

1 Answer

Ford f-150 ignition coil testing


get them from auto zone change them out one at a time . after each one start up and see if it makes a difference or not . you can always take them back.

Mar 29, 2009 | 1998 Ford F150 Regular Cab

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