Question about Audi 100

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Coil pack not working

Audi 100 wont start. The engine cranks but their is no spark. Don't know where the problem is. where does the current run from the coil to the macho. Any ideas?

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  • Expert
  • 315 Answers

It could be your crank angle sensor

Posted on Jul 14, 2013

Testimonial: "can not locate the crank angle sensor"

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 201 Answers

SOURCE: 1992 dodge 318 engine turns over, but no start. No

if truck has a ceramic ballist resistor near and connected to coil this could be problem or the crk posistion sensor could be too, i would change ballast first if you have on your truck appx cost $10

Posted on May 09, 2009

pippall
  • 1486 Answers

SOURCE: cranks but wont start

possible timing belt slipped or broken.

Posted on May 30, 2009

roniecon
  • 6826 Answers

SOURCE: i think my crank sensor or something is gone.

May be I can help.Be sure to check all fuses,really good,before replacing parts.I can`t tell you how to check for problem,you have pretty much narrowed it down already,but replace the crank sensor first(least expensive) cause it is most likely the problem.Then really all you are left with is cam sensor,or control module.The car will most likely will run,and run good if the cam sensor is bad,but it will not start.If the car stopped running while engine was running,then the cam sensor most likely isn`t the problem,replace the control module.IIf the engine was not running,and you went to start it and it wouldn`t start,try a cam sensor.If I can help any more,let me know>>.roniecon@gmail.com

Posted on Aug 16, 2009

Testimonial: "Thanks. That's seems to be the route ive narrowed to. I just didn't know if I could test it somehow with a test light or ohms test?"

duane_wong
  • 6826 Answers

SOURCE: my 2000 hyundai accent wont start, its tumbling

Maybe the coil pack module that the coil packs sit on is bad if it's like a GM.

Changing the coil packs alone won't always solve the problem.

Posted on Sep 02, 2010

cansmo
  • 2431 Answers

SOURCE: 1998 Ford Explorer, 4.0 SOHC No

You are at thhe right trail what controls spark is coil pack crank sensor sparkplugs and plug wire but the most important is power . I mean 12 volt connections and ground This includes checking fuses you need a simple volt meter doesnt have to expensive or fancy just to pick up 12 volts let start with fuses in the engine juction box (there not mark to what it belongs to) make sure none are open. especially fuse 19 and 24 , next go to the crank sensor make sure the tabs are snuggly on now to the coil pack there is a red and light green wire this comes from ignition and feeds 12 volts at the coil pack measure that voltage is it 12 volts if not correct it this is from ignition switch ( you can make a tool that feed 12 volt with a wire and a fuse in series and attatch it to battery and the primary wire this is known as hot wire) next go to the ECM wiggle the wires see if that get a connection going if not go back to the ICM here are the wire you are to measure the tan light green, this is from ECM and it is pulsed it measure 5vlts to 0 volts switched then measure the tan orange the same thing 5 volts to zero,then tan white again 5vlts to zero. any one of these 5 to zero fails you fix is the ecm

Posted on Aug 21, 2011

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1 Answer

1999 audi cranks but no spark


No the ignition switch doesn,t have any thing to do with the car not get spark,Who ever told you that clearly has no clue what they are talking about, It probally has to do with the coil packs,Or the (PCM) might evan have to do with it,Being that it is a (Audi) The best thing to do is to take it to some body that works on (Audi,s) End now,s what there doing, Then ,Waste your money, Paying some mechanic that has never work on one, End doesn,t have a clue about them,

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If the van was running before you changed the wires, I don't see how it is not firing the plugs now unless you got the wrong wires and they are not making contact with the coil towers and the plugs.
If there is no spark on any of the wires, something happened to the coil pack or the crank/cam sensors. Or a fuse or relay for the coil pack.
I would probably try an old plug wire to make sure, then check the coil for voltage.

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92 AUDI 100 2.8 CC NO SPARK NO PULSE NEW RPM SENSOR NEW CRANG SENSOR FUSES ALL GOOD NEW CAM SENSOR NEW ECU ALL GROUNTS GOOD


If you don't have any spark you may want to look at your coil packs. If your coil packs go bad it will cause you not to have spark. Another thing you may want to look into is you ignition switch. If your ignition switch goes bad it will cut the power to the rest of the vehicle because all the power must go through your ignition before it makes it to your other systems. I hope this answers your question and gives you some place to start. If you have any other questions please feel free to ask.

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I have a 1995 dodge van which wont start due to no spark I have tested right at the coils sec. I do have injector pulse but no pulse at ign coils primary there is power at primary of coil at first we...


A test light connected across the coil primary leads should flash on + off when engine cranks(coil sparks when 12v turned OFF due to collapse of magnetic field).If you get pulsed 12 volts,and no spark from the coil,the coil is bad.If you don't get the pulsed 12 volts,trace back to find out why(the PCM turns the coil ground on and off,12 volts comes from switched IGN source)

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My car cranks up, but will not turn over...??


Hello and welcome to FixYa!

As a first course of action, I strongly suggest that you pull out one spark plug and connect on plug wire. You will need a little help here, put the spark plug tip on the engine and have it cranked by your helper. If there's no current then you definitely have a bad coil pack.

The coil pack gives current to the plugs to burn fuel. Your coil pack can be faulty that's why it only cranks but doesn't turn. Have it replaced and you'll be good.

Hope this helps and thank you for using FixYa! Have a good one!

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My 1996 ford taurus sho wont start, it will turn over but not start what could be wrong?


Hello and welcome to FixYa!

Looks like that there's no current flowing that's why it won't fire up. I strongly suggest that you check and replace the coil pack if necessary. If the coil pack is faulty there will be no current to the plugs. One good reason why it won't fire up.

Hope this helps and thank you for using FixYa! Have a good one!

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Does you fuel pump delivers fuel. Is it there a spark.

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Audi 100s 1993 cranks doesn,t start, turns over no start. when it starts runs rough and stalls.


could very well be a faulty sensor, leaky vaccum hose, bad coil packs, needing of new fuel filter, spark plugs, wires.

Have you checked your fuel pressure to make sure it is good. You can do this with fuel pressure tester on the fuel rail.

Also check every cylinder for spark
If you don't have any spark, or very weak spark, you could have bad coil pack, module, or crank sensor.

You can remove one plug at a time, and place it back on plug wire, place it on top of engine block, have someone else turn motor over well you observe to see if there is spark.

Do you have a service or check engine light on? If so, I would have the engine codes read to pinpoint exact problem area.

Let me know if you have any questions or need further help

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1 Answer

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have you looked at the engine earth/ground cable, run another earth from the negative terminal to the body(wheel arch) and then to the engine block and try again. As you would know its a proccess of illimination and this was the most simple thing that came to mind. Let me know how it goes.

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