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Coil wire no spark

The spark was intermittent at first but still wouldn't start, now there is no spark at all, I check continuity on switch and it is good, coil wire to ground has continuity.. is this correct? Or is there maybe a short?

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  • Cars & Trucks Master
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No see the test that you must do it with your VOM. God bless you
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Posted on Jul 12, 2013

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Posted on Jan 02, 2017

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SOURCE: no fuel no spark 1990 k5 blazer 350

Take off the distributor cap. Check the star wheel that is splined to the distributor shaft that the pick-up coil uses. Make sure this wheel is not loose on the distributor shaft. It is right above the pick-up. If it is loose, replace the distributor. This is a common problem. If it needs one, all the part stores stock the distributor.

Posted on Mar 08, 2009

  • 14 Answers

SOURCE: engine died & wont start no spark ignition coil tested good

try your ignition module in the distributor much more likely. just install rebuilt distributor if that is the problem , if you just replace module the main distributor assem will **** out shortly after.
Make sure you check for broken timing belt also it is one of those two!

Posted on May 27, 2009

  • 6982 Answers

SOURCE: I have a 93 Jeep Wrangler 4.0 that cranks and mentioned that there is no spark coming from the coil when it's in no start...Is there power from the alternator going to the coil?
One other item...If the timing chain is worn and stretched, it is possible that the cam sensor and crank sensor are out of phase with each other, just enough where a temperature difference will change starting ability.
One question...while in no start, have you tried changing the throttle position while cranking to see if it lights at part or 3/4 throttle?

Posted on Oct 15, 2009

  • 1 Answer

SOURCE: no spark no fuel no start! replaced and checked

funny thing is I have a 2002 GTI with the exact same problem. have spent the last three days at work trying to figure things out.. best of luckn email me if you figure anything out.

Posted on Mar 19, 2010

  • 11896 Answers

SOURCE: Hi there I have a

Check the crankshaft position sensor. #1 cause of no spark

Posted on Sep 02, 2010

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1985 Chevy El Camino 305ci. Turned over good but wouldn't fire. Replaced contrrol module and it started fine for about 2 months, then did the same thing. Replaced dist cap, rotor & coil. Start

Had an 84 silverado 305 that did the same thing. Try giving it a full tune up. Plugs, wires... Mine turned out to be fouled plugs. I didn't find that out till after i tore it down & put a timing set in it. Wasn't getting good enough spark.

Feb 16, 2013 | Cars & Trucks

1 Answer

Car wouldn't start .told crankshaft sensor faulty / replaced but still not start & smells as if flood cab

Before you go for anything, try the following: 1) check if there is any spark goes from distributor or coil to leads .
2) check if your car fitted with injection system,if the injectors are spraying correct or are not. If not means that too much fuel in the combustion chamber and kill the spark.
3)remove the spark plugs - after you start for couple of times - if are dry or wet. if are wet probably you have problem with the injector or spark lead,coil or distributor.
4) blocked catalytic converter.
5) ECU ( Electronic Control Unit.) faulty.

Jan 02, 2013 | Cars & Trucks

1 Answer

96 grand cherokee 4.0 was would lose power then pick back up was idleing really ruff shut off went back after acouple of hours tried to start then just died won,t start no spark replaced coil wire cap and...

A very similar experience happened yesterday with my son's '95 Cherokee Country, same 4.0L engine. Suddenly jerking, trying to die, then catching again. When he stopped and turned the car off, just like yours, wouldn't start and no spark...and in his case, bad fuel pump, too.
After changing that, we started looking for the no spark problem. First checked the dark green wire (+, or the power feed) to the coil, and nothing there with key on. No voltage. Strange, so I went back and rechecked all the fuses in the little box by the battery. All good (a very easy way to check a fuse is with a testlight: Just clip the lead on the negative battery post and, with key on, use the probe to touch the little slot on each end of the fuse. When ignition key is on, all fuses are powered, and if the testlight lights up on both ends of the fuse, you know it's a good fuse. You don't have to pull it out to check it- it's good.) So fuses were good, and I even swapped relays for the Auto Shutdown Relay, wondering if that could cause no signal to the coil. Still nothing. Because it is so easy to check on a Jeep, I checked another thing that may cause a no start, no spark condition: the Crank Position Sensor. On the rear top of the engine, right above the end of the intake manifold, is the three wire electrical connector for the CPS. To check the sensor, pull the connector apart, and on the sensor side of the connector, check for continuity (with an ohmmeter) between terminals B and C (marked on the connector-although mine weren't). There should be no continuity. That's the only test given for the Jeep's Crank Position Sensor.
Well, in my case it turned out to be a badly mangled pick-up coil assembly inside the distributor. That helps the computer determine crankshaft position and adjust spark timing. You need to start as I did with checking for power to the coil. If you have power there on the green wire with the key on, then start by checking the coil-it can be tested, then check the ignition control module-test it at a parts store, next check the two sensors -CPS and the pick-up coil (on earlier models was referred to as the cam position sensor). The distributor is a pain to remove and install, if you have to.. You may need to consult a repair manual for proper installation. I hope you find your problem. One last tidbit: this is my son's second Jeep he bought with the motor mount on the passenger side (right by the distributor) missing all the bolts for the mount's bracket onto the engine block. It made the engine sag to that side, and may have bumped the distributor housing hard enough to destroy his pickup coil. So do check your engine mount on that side.od luck.

May 20, 2012 | 1996 Jeep Grand Cherokee

1 Answer

2001 status 3.0 wont start have fuel no spark relaced cam and crank sensors

There is an ignition power transistor. I am guessing you checked all the fuses. Running bad and now not running is what has me stumped if it is the transistor because they go there is no in between that I know of but that would be the first I would check because of not having spark. The last 2 pictures are wiring diagrams for the ignition system which you said you didn't have as well as the connector views. If they are to small email me directly at with all your information and I will be happy to send you a larger picture. Fixya has a file size limit for pictures so this was the best I could do and no there wouldn't be a cost for it. Hope this helps....

This is the test for the primary coil and transistor continuity check:


This is the ignition coil power transistor continuity check:



Apr 11, 2012 | 2001 Dodge Stratus

2 Answers

Engine running bad back firing lose of power have changed plugs wires cap and rotor

It may be your Catalytic Converter. If it is possible to remove it & then start the vehicle. You'll know if its clogged & needs replaced (I wouldn't reccomend driving it w/o the cat though) I hope this helps =)

Aug 26, 2011 | 1984 Ford F 150

1 Answer

I have a 2001 Chevy Venture. The vehicle is hard to start when it is cold or after it has been running. Once it starts,itruns fine. Also has a engine code lean bank one. I know one of the issues could be...

I have never heard of a major tune-up

All vehicle tuning has been done by
on board computers since 1980
some 30 years

Spark plug wires last the life of the vehicle
They only get replaced when they fail.
I had 1 wire fail in 46 years,personally

You do not have both an Ignition Module
as well as Coil Packs. They are installed
in two different systems

Any dash light you get & again they have
been there for 30 years,you retrieve any codes
within a couple days,diagnose code issues first
& repair. You have O2Sensor Codes
They wouldn't effect hard start problems

I would check fuel pressure with a gauge
Also Fuel Pressure Regulator

Vacuum Leaks
At least clean the MAF Sensor
Check TPS Sensor

Basically you need your vehicle tested in all

There is a serious misconception that a
tune-up ,spark plugs etc are a cure all

I don't even start there when diagnosing
anything. You could throw away 2 plugs
& it would still start

I want to see what does work & how

Spark Plugs & other items you can get
from the vehicle history & past maintainance

May 27, 2011 | 2002 Chevrolet Venture Passanger

1 Answer

No start on old gasoline forklift engine.

most likely the ign switch is ok if you are getting spark. so you have a hot spark at coil and weak fire at plugs? if you have a test light check the positive side of coil for power when turning key on and cranking. if it is dropping power on positive side then ign switch could be bad. can "hotwire" coil by jumping a wire to positive side of coil to pos of battery this will eliminate ign switch.

Apr 07, 2010 | 1978 Chevrolet C1500

5 Answers

I have a 1996 GMC yukon with 5.7 engine it is not firing I have changed the coil this did not fix problem what do I check next

Check for injector pulse if no pulse with no spark check ignition module in distributor or crank sensor.

Nov 11, 2009 | 1996 GMC Yukon

3 Answers

1984 Ford E-150 Econoline van It has no spark

Are plugs and wires good? Did you check distributor? Firing order correct-timing set right? Maybe some of the new parts are faulty? Are grounds all secure and are fuses good?

Sep 23, 2008 | 2003 Ford E150

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