Question about 1993 Suzuki Swift

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Wno't Start no High Voltage spark

Will Not Start ... there is no high voltage spark at the coil

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  • Abmok Mouks Nov 12, 2008

    i do lot of starting before the engine can kick in what could be the solution to that.

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Is the timing belt ok? is the timing in?

Posted on Jun 07, 2008

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What's your question? My nissan 1400 does not start but i does have a spark in points on distributer and no final spark on spark plugs, cn t b the distributer o ignition coil?


If the points are firing that is the low voltage side that tells the coil when to release its stored energy. if no spark to plugs that is secondary high voltage side and the coil is not storing sufficient energy the spark the plugs

Mar 20, 2015 | Nissan 1400 Cars & Trucks

1 Answer

I have a 1996 Jeep Grand cherokee with the 5.2l v-8 engine. Last week I started it, and it ran for about 1 minute before shutting off. The engine cranks, but no ignition. I replaced the Crankshaft position...


Time to meter voltage. Start with the 12V circuit. Are you getting voltage at the coil. Does the voltage fluctuate when the engine cranks? If yes to both check the high voltage circuit. Start with the coil then the distributor then each plug. You should be able to find where the spark is failing.

Sep 07, 2014 | 1996 Jeep Grand Cherokee

1 Answer

Changed spark plugs now no spark 2003 envoy


Coil packs was the problem in the first place. When a spark plug misfires, the high voltage goes no where and the coil starts to deteriorate. After prolonged misfire the coil will not make the hi voltage necessary to fire the plug. Replace the coil packs.

Jul 07, 2014 | 2003 GMC Envoy

1 Answer

Where does the coil fire from


Here's (sort of) how it works: the coil gets a constant low voltage (12 volts or less) signal from the ignition switch to the coil's primary wiring.. The computer tells the ignition module when to interrupt the ground source for the primary windings. When ground is interrupted, the primary winding's electromagnetic field is collapsed, thereby inducing high voltage in the coil's secondary wiring or windings (much higher voltage due to many more secondary wire's windings than the primary windings). The coil's secondary winding (or wire) is directly tied to the coil tower's big wire that delivers high voltage to the distributor cap and on through the rotor to the spark plug wire and then to the spark plug.
Are you more confused, or did my explanation help? The coil is the key to produce high voltage to jump the sparkplug gap with a spark. The trick is to wrap the inside wiring around an iron core or rod (thus the term windings), and when current is passed through the wire it creates an electromagnetic field which has a strong (strange?) effect on the coil's secondary wiring, or windings.
Look at it this way: Anybody can explain it (I just did), but how many of us truly understand electromagnetic theory?To me, it's a magic black box, lol.

Feb 08, 2012 | Mitsubishi Cars & Trucks

2 Answers

My toyota 1998 rav4's ignition coil heats up even if it was running for 5 minutes. what could be the problem?


An ignition coil is a type of electrical transformer that produces high voltage pulses from a relatively low voltage current source. It transforms the voltage from the car battery to thousands of volts required to spark the spark plugs to start an ignition...They are going to "heat up" this is normal.
Are you having a spark or ignition problem, or just concerned about the heat of the coils?
I hope this helps.

Jul 07, 2011 | 1998 Toyota RAV4

2 Answers

My 2003 honda accord v6 refuses to start. It cranks but no spark on the plug. What should i do?


Either the spark plug is faulty or the coil pack is faulty.The spark plugs get power to spark from coil packs.

If the engine has no spark, check for voltage at the coil positive terminal when the ignition key is on. If NO voltage, then problem is on the trigger side of the coil (pickup, crank sensor, ignition module or primary wiring circuit).

But If there is NO voltage at the coil itself, then in that case the problem is on the supply side (the ignition switch or ignition wiring circuit).

But if the coil has voltage, then problem may be a bad high voltage output wire from the coil to spark plugs or hairline cracks in the coil output tower.------Getting this all possibilities checked will point towards the exact faulty part which is to be replaced.----------This should help.Thanks.Helpmech.

Dec 24, 2010 | Honda Accord Cars & Trucks

2 Answers

1984 Ford F150 turning over but not getting fire


Good battery, good starter. Leaves spark and fuel.
1. Remove 1 spark plug wire from a plug. Hold near engine block while someone "cranks" the engine.
- Spark (yes/no)
If yes, issue is fuel. If no, remove distributor cap and check for cracks. Also clean inside to remove rust and dirt. Besure that inside of distributor cap is reasonably clean and rust free. After that, reinstall cap.
Try to start engine. IF it is exactly same symptom.....
Check input voltage to coil (high voltage source for distributor). Is 12volts present? If not, troubleshoot wiring between battery source and coil. Be sure to include the fuse for "ignition" in fuse box.
If yes.....Confirm high voltage is present at center (input) wire to distributor (CAUTION:- 30,000 volts could be present... do NOT touch bare wire.) Use insulated plyers or similar to place this center wire near engine block to check for spark. Note that this voltage source is powered on as soon as the ignition key is in the "run" position.

Replace coil if no high voltage is coming out. Replace distributor cap and rotor if high voltage is coming in to it, but not leaving and getting to spark plugs.

-------------
Confirm fuel is getting to intake.
I spray starting fluid into intake while cranking engine. It will "fire" if all else is good.
If it "pops" or fires, then you have a fuel feed problem... between tank and intake manifold, shoot fuel filter, fuel pump and otherwise confirm that gas is moving to intake from gas tank.

Good luck.

Aug 08, 2010 | 1984 Ford F 150

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

No current for the distributing cap for the ignition to start the engine


When you say 'No Current' do you mean no electrical supply. In fact there is vary little current delivered to the central lead of the distributor. The working principle: Low voltage (12 volts) is supplied to the 'coil'. The coil behaves like a transformer in reverse, instead of stepping the voltage down it steps the voltage up. Inside the coil is, as the name suggests, a coil. The primary coil is the low voltage (12v) supplied and consists of just a few windings. The secondary coil consists of very many windings. The ratio of the low number of windings of the primary coil to the large number of windings of the secondary coil is the factor by which the 12 volt supply is stepped up. The coil output consists of very high voltage charge (tens of thousands of volts). This high charge is delivered with negligible current (hence my earlier query). The charge is conveyed by high tension lead to the centre of the distributor. The distributor arm 'distributes' the charge to each cylinder in turn. The charge is so great that it jumps the spark plug gap creating a spark and hence ignites the compressed fuel/air mix. That's the boring bit, to effect a remedy check the low voltage leads to the coil and check that 12volts can be measured on a meter. A bit crude this, but ease the insulation cap back on the central distributor terminal put your finger on it and have someone turn the engine over. A hell of kick up the arm tells you that the high tension side of the coil is working :-). The voltage is so high that it most likely beyond the ability to be measured using a standard volt meter. If not there is 1) a possible short or break in the high tension cable between the coil and distributor or 2) the coil is fried. Either way it is not too expensive to change these. Also check the contact breaker points within the distributor are clean and are of the correct gap setting. An emery board/nail file I find is a convenient and quick way to polish the opposing contact points.

Apr 18, 2010 | 2004 Jeep Grand Cherokee

2 Answers

My 1995 blazer will not start


Have you changed the module in the distributor?

Mar 21, 2009 | 1995 Chevrolet Blazer

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