Question about Audi 100
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?
It could be your crank angle sensor
Posted on Jul 14, 2013
Testimonial: "can not locate the crank angle sensor"
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Posted on Jan 02, 2017
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
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>>.email@example.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?"
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
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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