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I changed the coil pack and plugs including wires, there is no spark from the coil pack what could cause this

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  • Cars & Trucks Master
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Year make and model ?

Posted on Mar 30, 2015

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SOURCE: 1998 chev lumina 3100 eng.

check the crank sensor

Posted on Jul 16, 2008

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SOURCE: SPARK PLUG WIRING

i am looking for a diagram for 1996 ford f-150 for the spark plugs.

Posted on Aug 30, 2008

bryant329
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SOURCE: 2000 GMC Sierra 4.3L no spark at the plugs...HELP!

no codes. most direct components changed.
computer. take it out or have the truck towed to the shop/dealer to test the computer.

Posted on Sep 25, 2008

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SOURCE: need a diagram of the firing order of spark plug wires from coil packs to spark plugs

FROM LEFT TO RIGHT, 5/2 3/6 4/1. ASSUMING YOU HAVE THE 3.1L ENGINE.

Posted on May 31, 2009

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SOURCE: 2001 tiburon has no spark. replaced coil pack and

You have crank sensor problem . No signal to computer if no signal to computer no ejector pause

Posted on Jul 14, 2009

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2 Answers

What cause coil packs to crack and ground out spark? just replaced them and they are already cracked and grounding out again. car is running real rough


Ignition Coils & Coil Packs - 1A Auto

www.1aauto.com/content/articles/ignition-coil-packs.html
Ignition coil types and failure symptoms & causes are discussed. ... That higher voltage output was then sent out to the spark plugs where it ignited the air fuel mixture... It's also possible for the plastic cases of the coils to crack from being exposed to heat, ... We can also ship overnight and ground shipping is always free.

all about vw "coil packs" - VW Forum :: Volkswagen Forum

www.vwforum.com/forums/f15/all-about-vw-coil-packs-53373/
Mar 10, 2012 - The problem comes when the actually casing of the coil pack cracks. ...(by cracks in the casing), the spark can actually jump to either ground, or another plug wire. ... An easy way to check if your coil is causing your check engine light is ...packs, 12v VR6 engines are not included in the recall that went out in ...

Ignition coils -- What every tech needs to know - Automotive ...


Dec 29, 2015 | Cars & Trucks

1 Answer

Po316 y po303 en Ford tAurud 2003


Cylinder # 3 has a misfire...#1) Defective coil on plug or the spark plug itself...#2) Contaminated fuel injector...See drawings below...The coil pack is the smaller of the two and sits to the rear of engine it is the most probable cause...Although the spark plug or the ignition wire (connection between plug and coil pack) could be at fault...so, before you invest in a new coil pack...Remove from both ends the wire from #3 and switch it with #2...if the fault code changes to p0302 that wire is bad...next Install a new set of plugs....Fault still present? replace the coil pack.....Unless recently changed new plugs and wires are a plus even if fault remains...saailer


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Cost= about $90

Apr 15, 2015 | 2003 Ford Taurus

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

Bad coil pack


If your truck has spark plug wires, you will want to change those as well, as a bad wire can cause an ignition coil to short itself out internally.

Jan 26, 2014 | Toyota Tacoma Cars & Trucks

1 Answer

98 f150 missing shaking changed plugs changed throttle positioning sensor still not better. did notice that the coil pack on back side of engine loose could this be the issue


Change spark plug wires, One bad wire can cause it to run rough end mmiss fire.As for the coil pack tighten the bolts up,

Oct 29, 2012 | 1988 Ford F 150

2 Answers

The trailing spark plugs have no spark


I have only recently fixed this problem on my 2004 RX8. My trailing sparks were not working causing misfire in 2nd cylinder. Common problem is the coil packs. Each plug has a seperate coil pack and unfortunately not cheap.

I changed all four plugs and all four coil packs which cost me around 30 per plug and 80 per coil pack. If you call around you will get these prices, however mazda charge over double so do not go there!

You can get away with only the trailing as a cheaper option but the strain may cause the leading to go aswell!! I only got my rx8 a week ago and already shelled out 800 on it!! Wish i kept my BMW now!

Jan 26, 2011 | 2004 Mazda RX-8

2 Answers

We don't have a distributor cap but a coil pack and the problem is that we need to change the spark plug wires but we are not sure how to do this since we cannot even see the coil pack. Does anyone have...


Yes they can go bad/ crack ect. But bad/old plugs cause undue stress on wires and coils, so make sure the spark plugs are the correct AC DELCO Platinum spark plugs, and just replace the spark plug wires one at a time. Take a spray bottle (windex works good) and wet the spark plug wires ans see if you can find where they may be arcing.

Sep 02, 2010 | 1995 Chevrolet Cavalier

4 Answers

I have a ford explorer 99 but it's giving a error code PO306 what do u think it is


It sounds like a misfire. Check spark plugs 5 and 6. It could be bad fuel, bad plug wire, or weak coil. Check the fuel injectors as well. Other possible causes could be an egr valve stuck open, vacuum leaks, low fuel pressure.

Feb 17, 2010 | 1999 Ford Explorer

1 Answer

Where are the spark plugs located


On these models Ford/Mercury included the coil and the spark plug wires in one unit. The coils are black and round, they have a wire connector to each one. In order to pull the coil, you need to disconnect the wire and remove the bolt holding the coil pack in place. After doing this, you can pull the coil pack out; then you can pull out the spark plug with a 5/8 spark plug socket.

Jan 24, 2010 | 1999 Mercury Grand Marquis

1 Answer

Car wont start


these cars go through coil packs regularly as the packs overheat due to their position on the end of the engine. I have 3 lanos and have replaced all coil packs at around 90,000 k's.
Hope this helps.

Nov 12, 2008 | 2000 Daewoo Lanos

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