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Cylinder 1 and 6 shut off sometimes cold and hot rain or shine.

Tried coil, did not help, Thought Ignition control module but cant find it on this model? Wires and connections are clean and tight? car has 90000 drives like new most of the time.

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  • Cars & Trucks Master
  • 14,380 Answers

Could be a bad piston valve,have those cylinders,compressor tested,and do all.Is oil on those 2 plugs?If not disreguard this.

Posted on Dec 09, 2012

  • Izaak Giberson Dec 09, 2012

    car runs smoothly most of the time only shuts cylinders down once and a while.

  • Thomas Perkins
    Thomas Perkins Dec 10, 2012

    Your injectors may need cleaning.

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: ignition control module

those car are bad for crank sensor there in the back of motor in the engine block check it out hope it help fixya our post thanks pierre

Posted on Jul 12, 2008

  • 1 Answer

SOURCE: ignition module wires to coil pack

found a good repair manual and followed the wiring diagram ~~~ Thank You / Jeff

Posted on Aug 31, 2008

  • 217 Answers

SOURCE: 1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Posted on Jan 17, 2009

blueextc3221
  • 15935 Answers

SOURCE: car wont start

I noticed you replace the crankshaft sensor, but not the CAMshaft sensor.
The Ignition module takes the input of both sensors to tell the coil when to energize.
This sensor should come up as an error code when you attach a obd reader.
Even if your light is not on - there may be a code. If it is not your vehicle originally, some people pull the bulb!

Posted on Jan 22, 2009

RJones1125
  • 373 Answers

SOURCE: 91 mazda 626dx 2.2liter shuts off while driving

sounds like the fuel pump relay

Posted on Feb 23, 2009

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1 Answer

Error Code P0351 for a 2005 Toyota Avalon


Possible causes
Faulty Ignition Coil 1
Ignition Coil 1 harness is open or shorted
Ignition Coil 1 circuit poor electrical connection
Faulty Engine Control Module (ECM)

What does this mean? When is the code detected? Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil. Possible symptoms Engine Light ON (or Service Engine Soon Warning Light) Lack/Loss of Power Engine may be harder to start Engine hesitation Rough engine idle P0351 TOYOTA Description: The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.

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Ford EEC-IV Ignition Problem


need to do a compression test even no that might not help if u dont the plugs,leads rotor, dizzy coil i cant see a problem unless the timing chain has jumped a tooth or 2 or even stretched

can be a computer problem 40 percent
can be needs rewired 60 percent
timing chain jumped 40 percent

Sep 14, 2008 | 2007 Ford F-250 Super Duty Lariat

1 Answer

My 2009 kymco 375 4wheeler. Gets hot shuts off then cools off and will start again whats wrong


sounds spark related

coil ok when cold .... ..fails when hot
coil can be tested or replaced

ignition control module ?


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26333431-o3lp5jkjsg5w5pq2fc5b3dwh-5-1.jpg

Oct 30, 2016 | Cars & Trucks

1 Answer

I have a 2000 bonnaville supercharged and it is running on 5 cylinders. when you idle or hit the gas the car shakes i have tried changing the ignition coils, changed spark plugs and changed 1 injector. can...


Teddydear200, I was running on 4 of 6 coils, the driving and running of the car was ridiculous, I thought my baby was dying. The mechanic suggested the ignition control module, I replaced it and am back to getting up to 90 mph easily and the car runs smoother. Since you've done all that other stuff, give the ignition control module a try as the person above me suggested. I think that really is your problem. - J

Jul 23, 2012 | 2000 Pontiac Bonneville

1 Answer

I have a 92 Olds Cutlass Cierra with the 3.3 L V6. My daughter drove it to the store and it wouldn't start when she went to leave. The starter worked but the engine wouldn't start. After about 5...


If there is spark out of one coil than its not the crank sensor.

does this have one coil assembly with 6 posts or are there three individual coils?

If it has three individual coils try swapping the coil that works with one that doesn't. If the one that wasn't working now works and the one that was working doesn't than you have a bad module. If the coil that was working still works and the coil that doesn't work still doesn't work than you have a bad coil.

If it has one coil with 6 posts I would replace the coil and the module. It is not uncommon for the coils to go bad and take out the module at the same time.

Aug 19, 2011 | 1992 Oldsmobile Cutlass Ciera

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My car will not run or starts and will not take the gas when it rains or damp outside. when it sets a day or two then runs great. What can it be. I was told it can be a module. Which one. yes 1996...


If your car is equipped with a 2.4L Quad 4 engine, you most likely need to replace your ignition coils. They are located inside what is called the "IDI Module" This is the large cover on the top of the engine that says "Quad 4". The ignition coil housing and spark plug boots should also be replaced. (See pictures below)

To replace the coils, disconnect the IDI electrical connector (Driver's side of the IDI Module) Remove the 4 bolts retaining the IDI Module to the cylinder head.

NOTE: be careful not to loose the washers under the bolts. Sometimes they will stick to the IDI Module and will fall off when you remove it. It is best to take a small screwdriver and get them loose before they have a chance of getting lost. Trust me...It happens all the time.

Remove the IDI Module from the cylinder head and flip it over. Remove the 4 screws holding the coil housing to the IDI module and remove the housing. Remove the screws holding the ignition coils and remove the coils. Reverse procedure to install.

IGNITION COIL

dttech_23.jpg

COIL HOUSING

dttech_24.jpg
SPARK PLUG BOOTS

dttech_25.jpg

May 22, 2011 | 1996 Chevrolet Cavalier

2 Answers

Have a 2000 ford explorer with a 5.0 V8 in the rain the other day started to skip and it shows cylinders 1 and 6 not firing. |Drove it two hour strait trip day before and it ran great. It ran great until...


It could be the coil, or the ignition module where there coils sit on. Start with the simple and check the spark plug wire first, then work your way to the coils and module. Once you work your way to the coils, try switching the coils around and see if the misfire will switch cylinders which would indicate a bad coil. If the same cylinders are still misfiring after the coils have been switch, then it's a good chance that's it's going to be the wire harness to the ignition module or the module it self. Good luck and hope this helps.

Oct 28, 2009 | 2000 Ford Explorer

1 Answer

Timing the cams and crank with a belt


  1. Note: Electronic Ignition engine timing is entirely controlled by the PCM. Electronic Ignition engine timing is NOT adjustable. Do not attempt to check base timing. You will receive false readings.

The CKP sensor is used to indicate crankshaft position and speed by sensing a missing tooth on a pulse wheel mounted to the crankshaft. The CMP sensor is used by the COP Integrated EI System to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.
  1. The PCM uses the CKP signal to calculate a spark target and then fires the coil pack(s) to that target shown in Figure 51. The PCM uses the CMP sensor not shown in Figure 51 on COP Integrated EI Systems to identify top dead center of compression of cylinder 1 to synchronize the firing of the individual coils.
  1. The coils and coil packs receive their signal from the PCM to fire at a calculated spark target. Each coil within the pack fires two spark plugs at the same time. The plugs are paired so that as one fires during the compression stroke the other fires during the exhaust stroke. The next time the coil is fired the situation is reversed. The COP system fires only one spark plug per coil and only on the compression stroke.

    The PCM acts as an electronic switch to ground in the coil primary circuit. When the switch is closed, battery positive voltage (B+) applied to the coil primary circuit builds a magnetic field around the primary coil. When the switch opens, the power is interrupted and the primary field collapses inducing the high voltage in the secondary coil windings and the spark plug is fired. A kickback voltage spike occurs when the primary field collapses. The PCM uses this voltage spike to generate an Ignition Diagnostic Monitor (IDM) signal. IDM communicates information by pulsewidth modulation in the PCM.
  1. The PCM processes the CKP signal and uses it to drive the tachometer as the Clean Tach Out (CTO) signal.

2.5L V6

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by a pulse former within the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition timing is determined by the powertrain control module in response to engine operating conditions based on stored data tables or maps. Once ignition timing has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 5, cylinders 4 and 3 and cylinders 2 and 6) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This ensures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
---------------------------------------------------------------
2.0L 4 cynder

The ignition system consists of an ignition coil, spark plug wires and spark plugs.
The crankshaft position sensor signal is the basis for ignition timing calculations. The alternating voltage signal from the crankshaft position sensor is digitized by the powertrain control module. This digitized signal is then used to position the closing time of the primary circuit of the ignition coil.
Ignition angle is determined by the powertrain control module in response to engine operating conditions. Once ignition angle has been determined, the powertrain control module interrupts the current to the primary circuit of the ignition coil thus triggering the ignition spark which is supplied to the cylinders through the spark plug wires and spark plugs.
The ignition coils are triggered by the powertrain control module in pairs (cylinders 1 and 4 and cylinders 3 and 2) sending one ignition spark to the firing cylinder and one ignition spark to the corresponding cylinder on the exhaust stroke. This make sures that any unburnt fuel residues remaining in the cylinder on the exhaust stroke are re - ignited to provide cleaner exhaust emissions.
------------------------------------------------------------------------------------
Integrated Electronic Ignition System The Integrated Electronic Ignition (EI) System consists of a crankshaft position (CKP) sensor, coil pack(s), connecting wiring, and PCM. The Coil On Plug (COP) Integrated EI System uses a separate coil for each spark plug and each coil is mounted directly onto the plug. The COP Integrated EI System eliminates the need for spark plug wires but does require input from the camshaft position (CMP) sensor.
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Apr 05, 2009 | 1998 Ford Contour

1 Answer

Whiledriving the revs drop, and there is no drive, then stalls


Well it's possible that when the mechanic sprayed your engine he may have also used cold water or lukewarm water to rinse it. Or the silicone itself was cold coming from the can. If the coil/coil packs were hot at the time, or the ignition module was, it is likely that the cold liquid(s) spraying on the hot electronics may have cracked either the coil magnet or the ignition module causing them to fail. Repeated misfiring from damaged coils or ignition modules can cause failure at the rotor and distributor cap by constant crossfiring inside. You'll want to remove the distributor cap and look inside for evidence of burnt, broken, or cracked electrodes. If they appear blackened or melted/burnt you will definitely need to replace the cap and rotor. Before replacing them however, you may want to take a close look at your coil or coil packs and the ignition module. One way to check the coil to see if it is cracked is this: Place the vehicle in a darkened area or wait til it is dark out if you can't move it. Since the vehicle isn't running everything should be cold so this test won't damage anything any further. Fill a spray bottle with warm water. Spray a mist of water on the coil. Have an assistant crank the engine and watch in the dark the area of the coil. If you see a lot of arcing or a halo like effect of electricity you will know the coil magnet is likely damaged. If not, it is probably ok but you'll want to have the ignition control module tested. You can probably have this done at a reputable parts dealer or garage who have the correct electronic test devices. If both the coil and the ignition control module check out ok, go ahead and replace your cap and rotor then try starting her up. Anything that tests bad obviously must be replaced first to get it running and to prevent further damage to the ignition system. If you are getting no spark it is most likely the coil, second most likely the ignition control module. Good luck and let me know how it goes.

Jan 20, 2009 | 1991 Mazda 323

1 Answer

Ignition cut out


i have seem people junk this cars all because they have a coming problem with the crank sensor replace the crankshaft sensor and see what happen it is very coming problem on this cars

Jun 01, 2008 | Chrysler Neon Cars & Trucks

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