Question about 1995 Subaru Legacy

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How do you check if the coil pack is bad - 1995 Subaru Legacy

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Buy a coil pack tester from automotive shop. it plugs in between coil and top of spark plug and gives you an idea of spark being delivered. most of the time you will find its the HT leads that go first

Posted on Aug 07, 2008

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SOURCE: Buick Lesabre 1998, How you check the coil packs?

you can take them off and have them tested or you can pull the plugs and there should be two plugs that will be really black follow those wires back to the coil that is bad. or you could also have someone crank it while you stick a screwdriver in the end of the wire on the plug and hold the screwdriver next to the engine or a good ground and there should be a bright blue spark but be careful and dont touch the car or it might tickle a little bit

Posted on Nov 12, 2008

  • 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

  • 3 Answers

SOURCE: coil packs keep going bad

I would say try replacing the control module right under neath the coil packs. It could be bad and shorting out the coil packs

Posted on Jun 16, 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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2 Answers

Change ignition coilon clylinder 1 in 2009 Toyota corolla? got the code P0351


First of all, even though the Issue says Coil Pack, that does not necessarily mean the Coil Pack is Bad. It could be a Loose Connection, it could be a Bad Wire, it can also mean a Bad Spark Plug or fouled Injector but to answer your question...

The Coil Pack is located under the Plastic on top of your Engine and Directly connects to the Spark Plug. If I was you I would Swap the #1 and #3 Coil Packs and see if the Fault Code follows the Coil Pack. If it does then replace the Coil Pack. If it stays with the Cylinder, I would be checking the Connectors, Wires, Injector and Spark Plug.

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What causes no spark at plugs on 2002 chrysler town and country


it could be a bad crank sensor but it should have set the check engine light, check for codes anyway as there may be a code set. other things are bad ignition wires, coil pack, lose of power to coil pack, no ground for coil system, the PCM controls ground for the coils so it could be bad connection, bad coil drivers or just a PCM problem.

Aug 28, 2014 | Chrysler Town and Country Cars & Trucks

2 Answers

Jeep 3.7 cylenders 2 & 4 not firing


3.7 V6, mileage?

most likely the HV wires bad.

then bad coil pack.

did you check spark directly at the coil pack?

i use 2 known good HV wires to do that and 2 good test spark plugs.

both plugs grounded to engine (shell)

that is how you test any wasted spark coil pack. 3 coil pack.

if that fails the FSM shows, unplugging it and check the coil resistances. if wrong the pack is bad,

keep in mind the res. can read ok and coil be bad ,due to internal insulation break down (internal shorts)

if thats ok. the resistance , make sure the wires are not (primary)

to the coil (the low voltage connnector)

if that is ok, its mostly likely a bad coil, (pray not bad PCM)

if tool-less? start with cheap parts , work to expensive. (guessing)





now wasted spark 101.

if one line opens , both spark plugs die. no spark

the wasted spark is wired in SERIES. ( like Christmas lights)

the magic cuts cost of 6 coil\'s.

so if the HV wires are say, cheap , carbon wire and open

you lose, both spark plugs. use MAG wire and end this issues.

get some nice NGK mag wire or Bosch Mag wires.

you can see i hate carbon wire. for good causes.

(carbon string wire)

mag wires is real wire that is coil spun and is inductive. it

has the correct impedance but is not a resistor its and inductor.

and lasts the longest , and worth every penny.

Mar 29, 2014 | 2006 Jeep Liberty

1 Answer

What are cord packs, and culd this be a problem why my 98 Pontiac grand prix wont start


coils packs are a set of 2plugs that are fired by one coil.so if you have a 6 cyl you will have 3 coil packs.its unusuall that all coil packs go bad at once.your no start could be caused by an ignition module,crank sensor,computer,bad connections,bad wiring,even a fuel problem.there may be a code set in the computer that may help to find were ot start to diagnois.it will have to be checked out to pin point the area.

Nov 01, 2011 | 1998 Pontiac Grand Prix

1 Answer

Why an engine honda 2002 are only working three sparkplug and the other three are not working?


Are all three working on the same side and all 3 not working on the other? If so probably bad coil pack. Check for spark first, then trace back through the wires to the coil packs. Chances are you have a bad coil pack normally there is one for each cylinder so would mean 3 bad ones which is rare for 3 to go bad at the same time. Check all your fuses as well.

May 14, 2011 | 2002 Honda Accord

2 Answers

I dont have any spark. have power to the coil pack just nothing past that. what to do??


Check the crank shaft postioning sensor. If you are getting power to the coil pack and there is no power coming out of the coil pack the coil pack might be bad or have corrioson between the coil pack and the mount. Thanks

Mar 07, 2011 | 1999 Mitsubishi Eclipse

1 Answer

I'm not getting no spark or ignition of coil 2 and 5


is your coil pack bad replace coil pack there not getting spark on theses vehicles there coil packs each plug has one they go bad causeing the vehicle to run real rough and cause check engine light to come on mines the same way

Feb 23, 2011 | 2002 Chrysler Town & Country

1 Answer

#1 cylinder not firing


you need to check compression on that cylinder if it is ok the coil pack could be bad disconect number 1 wire from the coil pack hold a screwdriver with a plastic handle near the hole where the wire goes in and see if there is spark coming out of the coil pack if there is you just might have a bad wire if there is no spark there change the coil pack

Oct 14, 2010 | 1990 Toyota Corolla

1 Answer

Will engine run with one bad coil pack on 1994 buick 3.8 can a coil pack be checked if so how


Yes it will run. But it will run very poorly.Check out this page for some guidelines on electrical coil checking. http://www.ehow.com/how_4912368_check-coil-packs-voltage-meter.html

Sep 11, 2010 | 1994 Buick Park Avenue

1 Answer

Number one cyl on coil pack not firing, all others are, codes reads misfire on 1 cyl should i replace the coil pack and how do you test the pack


Check the spark plug first. then if the plug is good you wil need a digital ohm meter to test the coil pack. if you need to know how to remove the coil pack let me know, to test put on ohms should not have more than 2 1/2 ohms restance betweent coil lead to coil connector. If you test the coil pack on both sides of the pack and get a reading then the coil is bad, if it does not read then you haave a bad fireing plate diode.

Mar 12, 2010 | Ford Explorer Cars & Trucks

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