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I replaced plugs wires and coil but still have no spark on the 3&6 cylinders

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Posted on Jan 02, 2017

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SOURCE: 99 cougar v6 P0352 misfire cylinder 3 and 4 replaced igntn coil..

Had the same problem, car was misfiring on cylinder 3 and 4. replaced wires, plugs, and ignition coil. still misfired on the same cynlinders. turned out the main engine wiring harness plug in was coming loose. spent well over $150 on the unneccesary repairs and ultimately fixed the problem wit a $3 bag of wire ties to hold the plug in...

Posted on Jun 01, 2009

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1 Answer

What is the Wire Order with distributor?


theres no distributor and the firing order for your 3.8 is 1-6-5-4-3-2-the following link shows the coil pack
Buick General Motor 3800 V6 Engine Firing Order DIS IDI ignition timing 3.8 Buick Engine Coil Pack Firing Order Spark Plug Wire Location Which way do the spark plug wires go on & what cylinder is what?
.
For the Buick V6 231 3.8 liter turbocharged engine:
.
Answers!
.
Firing order:
1 - 6 - 5 - 4 - 3 - 2.
.
Spark plug wire location on coil pack:
.
Closest to the back of the car, left to right: 1 - 5 - 3.
Closest to the front of the car, left to right: 4 - 2 - 6.
.
Spark plug wire location on engine:
.
drivers side, front to back of car: 1 - 3 - 5.
passenger side, front to back of car: 2 - 4 - 6.
.----and this link shows the coil pack to cylinders
.
3 8 Buick Turbo Engine Coil Pack Firing Order Spark Plug Wire Location

Aug 15, 2015 | 1987 Buick Regal

1 Answer

95 toyota t100 3.4L extended cab check engine light


Hello, this engine has 3 ignition coils on the passenger side cylinder head, each coil fires two spark plugs, the spark plugs on thew other side have plug wires connected to one of the coils on the other side, the #6 cylinder wire connects to the #3 coil, try replacing the spark plug wires

Jun 10, 2017 | 1995 Toyota T100 Xtracab

1 Answer

Engine light on. went to auto parts store, they diagnosed number 2 or 3 cylinder not firing. prior to this i changed plugs and wires. then i changed the coil. the engine light went off and the gas economy...


Hello mikew564.The first diagnosis was number 2 or 3 cylinder not firing. Once you changed the coil, the check engine light went off. When the light came back on again, did you get it diagnosed again to find out if the problem was the same?... 2 or 3 cylinder not firing????

First of all, there is NO extra wire/ground on the coil/ignition wiring (see images below). The spark plugs and ignition plug wiring can be checked for arcing, corrosion, resistance and can be checked for cracks in the insulators or worn electrodes (and spark gap) by a competent mechanic.
If you are having the same issue (2 - 3 misfire), there are several techniques for eliminating the plug wires or spark plugs. Spray water on the plug wires to see if they are arcing. Swap plugs from cylinders 2 & 3 with cylinders 1 & 4. If you still have a 2-3 misfire, check/inspect/examine the coil connector pins & coil harness to the coil(s) themselves.

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Aug 27, 2011 | 2004 Hyundai Elantra

1 Answer

What should a multimeter read on a continuity test on the coil packs? i'm getting 1.9,1.7,1.7


The multimeter can read the resistance and if it is not open or shorted out, I'd say that your readings are in the normal range, comparing each resistance with each other + or - 10%.

I looked up the resistance readings on my online resource, but they did not list it specifically.
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I looked up the following on autozone.com:

There are 3 dual-tower ignition coils that are part of the ignition control module (ICM). The ICM contains coil driver circuits that command the coils to operate. The Powertrain Control Module (PCM) controls each dual-tower ignition coil by transmitting timing pulses on the ignition coil control circuit to the ICM for the proper coil to enable a spark event.
  1. Inspect the spark plug wires for proper orientation.
  2. With the ignition OFF, remove the fuel pump relay.
  3. Crank the engine and test for a strong spark on each cylinder spark plug wire using a suitable spark plug tester. Ground the companion cylinder spark plug wire of each cylinder when it is tested.

    If a strong bright blue spark is present on all of the cylinders, remove and inspect all of the spark plugs for proper torque, proper gap, wear, damage, and fouling. Replace the spark plugs if necessary. If there is no spark on any of the cylinders, test the ignition voltage circuit of the Ignition Coil Module (ICM) for an open/high resistance or short to ground, or test the ground circuit of the ICM for an open/high resistance, or a faulty ICM. The wire circuit resistance should measure less than 3 ohms. If there is no spark on any of the cylinders, or spark is weak or intermittent, test the IC circuit for an open/high resistance, or a faulty ICM. The wire circuit resistance should measure less than 3 ohms. If spark is present on one or more of the cylinders, inspect and test the spark plug wires for arching, cuts, rubbing on other components, and proper resistance. If all tests are normal, then the system is operating correctly.
    ---

Oct 08, 2010 | 2000 Chevrolet Venture

1 Answer

Firing Order diagram for 2006 Ford Explorer


Hope this helps. The ignition coil:
  • changes low-voltage pulses from the PCM to high-voltage pulses.
  • fires 2 spark plugs simultaneously.
  • has 3 transformers.
    • One transformer fires the spark plugs for cylinders 1 and 5
    • One transformer fires the spark plugs for cylinders 2 and 6
    • One transformer fires the spark plugs for cylinders 3 and 4
Spark plug wires:
  • carry high-voltage pulses from the ignition coil to the spark plugs.
The spark plugs:
  • change high-voltage pulses to spark at the gap, which ignites the fuel and air mixture.
The firing order is 1-4-2-5-3-6.

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Jun 06, 2010 | 2006 Ford Explorer

1 Answer

Spark plugs


On the 3.5L the Electronic Coil Packs are located over the Cylinders/Spark Plugs.
These Coil Packs have seven (7) bolts on a Black Cover. Remove these seven (7) bolts, removing the Cover.
Access to the three (3) Front Spark Plugs is now gained.
The Rear three (3) Spark Plugs is the same, however it is in a tight spot near the Fire Wall.

Standard Rules: Some things are not Applicable for your specific engine.
Use a Spark Plug Socket to remove and install Spark Plugs.

Replace (remove) one Wire Connections at a time from one Spark Plug.
Replace One Spark Plug at a time. Use Anti-Seize Grease applied moderately to the threads on the new Spark Plug.
Using a Socket (with a extension) START all installations of all Sprak Plugs using your hands. This prevents cross-threading and stripping of the threads inside the Heads.
Standard Torque 15-20 ft-lbs.
Replace the One Wire Connection to that One Spark Plug.
Replace that One Wire Connection to the Ignition Coil Connection.
Go onto the next Spark Plug using the above Rules.
Repeat.

For the 3.5L
Firing Order:
1-2-3-4-5-6
Cylinders:
.....(back)
1......3.......5
2......4.......6
....(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.Com!

Mar 01, 2010 | 2000 Oldsmobile Intrigue

1 Answer

3 cilynder not working


While checking for "spark" = "fire" make sure you do it properly. These shocks hurt and could result in injury or even death.
1. Pull and check the Spark Plug for Cylinder #3. There are spark plug tester's at autoparts stores that you can buy and some are for rent. They are easy to use. If still no Spark PROCEED to Steps #2 and #3 below before replacing the Spark Plug. If the Spark Plus is dirty, fouled, or incorrectly gapped: clean, and regap the plug and recheck.
2. Check for "fire" at the spark plug end of the wire for Cylinder #3. Is there consistent sparking? If not then PROCEED to Step #3 below before replace the wires.
3. Check for "fire" at the Coil="Distributor" for Cylinder #3. Is there consistent sparking from the Coil? If not the Coil could be Bad.
If there is Consistent Spark from the Coil but no Spark from the Wire = Replace the Wire.
If there is Consistent Spark from the Coil and Wire = Replace the Plug.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Jan 23, 2010 | 1998 Ford Econoline

1 Answer

Spark on only 2 of the 4 cylinders


On dis ignition systems if you have an open circuit plug wire you will lose spark on both cylinders of the coil. So however you are checking for spark,(screwdrivers or spark testers) Check cylinders 1 and 4 at the same time. A good way to eliminate the possibility of a bad plug wire is to take both wires off the coil and start the engine. Spark should jump from the coil tower to the coil mounting bolts. If it doesn't replace the ignition module.

Jun 11, 2009 | 1990 Oldsmobile Cutlass Calais

2 Answers

Keeps mis-firing on cylinder #3 check engine light flashes and stays on car chugs on uphill slopes


check plugs wires for damage or just replace if you have replaced the #3 plug already if not replace it also

Aug 04, 2008 | 1999 Ford Taurus

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