Question about Ford E-150

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I have voltage from the coil, but nothing getting to the plugs

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  • Anonymous Mar 30, 2011

    How so ?
    What vehicle,engine etc
    What type of testing was done so far.?

  • gerry bissi Mar 30, 2011

    Make? Model? Year? Engine size? Coil on Plug? Coil Pack? Single Coil?

    How about giving us some help here?


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There is a primary and a secondary in the coil. If you don't have both the coil isn't working properly. You need to have voltage going from the coil to plug, not just to the coil.

Posted on Mar 30, 2011

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  • 411 Answers

Bad coil bad cap or rotor bad spark plug wires a year of car would help make model engine

Posted on Mar 30, 2011

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1991 Dodge Dakota 2.5 liter 4 cyc blew fuse I replaced fuse no start have replaced pick up coil ,coil,plugs ,wires, cap,rotor,fues all good still no spark and no start helllppppp please!!!!!

Make sure battery has a full charge. Did you check primary voltage to ignition coil, engine cranking, dark green wire with orange tracer? Use a test light, is it hot? The voltage comes from asd relay, check voltage and ground circuits. The load side of relay is that line with arrowhead, that circuit is fuse protected and hot all the time. The control side of relay is the left side in diagram, has to have voltage and ground. The voltage appears to come from ignition switch on or cranking. Grounded by computer.
The distributor has a sensor in it that sends rpm signal to computer, w/o that signal the computer won't ground the asd relay and you get nothing. The asd relay sends voltage to several systems. Just my opinion. Any applicable trouble codes?
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What engine does your car have 4 or 6 cylinder ? Does it have a distributor or coil on plug ignition system ? First thing is check for battery voltage at the coil or coils ! How to test an ignition coil and ignition module with test light Watch this guy here an some other videos ! Hope you find what you need !

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1990 964 wont spark

run the fault codes first as there are a number of reasons for no spark --the last being the coil. There is an ignition module ---position sensors --timing belt --shorts in the cap --bad coil lead to the distributor . The ignition module may be only have 7.5 volts to it from the coil in which case you may have burnt it out with the 12 volt application and you will not get any spark unless the coil is in the circuit as it is a transformer that generates the high voltage necessary for a spark at the plugs.

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Is there suppose to be current running through the plug for the coil?

Do you have voltage to the coil? If so the coil probably bad. A likely scenario based on what you've said. If you have voltage to the coil then keep tracing back.

Jan 15, 2013 | Cars & Trucks

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New spark plugs, new spark plug wires, new distibutor, new distibutor cap, new coil, new coil wire still not getting any spark why?

I know you list a new distributor, but the pick up coil (inside the distributor) is what will trigger the coil for spark. Located under the rotor, it needs to be checked at the harness for voltage (key on) and measure resistance in the PU coil itself using an ohm meter. Check the harness for breaks or damage, there really is nothing else that might cause this unless you have a complete failure in your engine computer (located next to the battery).

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I have high voltage at the coil out put....ICM test ok have not checked crank sensor... will not start fuel supply ok

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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.

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My 1984 Ford Bronco will not start. What is the problem? I checked the Coil, all the plugs, distributor, fuel pump, carborator. I used starter fluid on the carborator, and it didnt start. The fuel pump...

Well its electrical if your not getting spark.

check the voltage to the coil......if your not getting voltage there nothing will happen

How did you check the coil..perhaps your coil is bad...they are cheap.

Ohm out the coil to see if it test correctly, you cant just take the wire off of it to check for spark..this is not an accurate test

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