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Running fine..It suddenly quit running and wont restart..coil pack

Customer Question
This car was running fine...
This car was running fine, It suddenly quit running and wont restart. I replaced the plugs,
wires, and coil pack but Im still getting no spark at the plugs.
Submitted: 7 years ago.Category: Car
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Answered in 1 minute by:
2/1/2010
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
Mike V.
Mike V., Auto Service Technician
Category: Car
Satisfied Customers: 25,880
Experience: 25 years of experience, Certified Subaru Technician and Nissan factory trained.
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HI there! How many miles on the car?
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Customer reply replied 7 years ago
110000
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
OK, to be honest I would pull the top timing cover and see if the belt has broken. If the ecm is not getting signal from the crank position sensor and the cam position sensor, you will not get spark. If you have a code reader,it should read if the cam or crank sensor is not working.There will be a code.
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Customer reply replied 7 years ago
I checked the timing belt, It was intact. However when I attached my code reader it was unable to link up to the computer
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
OK, Then check all of the fuses. It is possible that you blew a fuse for the ecm or you may have a broken wire to it.This will kill the spark for sure. Start with the fuses.
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Customer reply replied 7 years ago
The first thing I did was to check that all the fuses were okay both visually and with a continuity tester
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
Does the check engine light come on when you turn the key on?
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Customer reply replied 7 years ago
Yes
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
OK, so the ecm is getting power. I believe you will find a black and white wire going to the coils. Check and see if there is power to this wire with the key on.
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Customer reply replied 7 years ago
Ok, I will check that first thing in the morning when I get there. Thank-you.
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
your welcome! you should have power on that line, then it gets signal from the ecm when to fire. Sorry,I can't find a decent wiring diagram for the ecm and why the code reader isn't picking it up.Could just be the code reader, not all of them can read every system.
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Customer reply replied 7 years ago
Thanks, XXXXX XXXXX know some code readers wont work on some cars but I just bought this one a month ago and made sure it would work so Im pretty sure it has to be in the wiring. I just dont have a clue where to start looking.
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
Well, lets see if you at least have power going to the coils,if not it will make it easier to start looking.
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Customer reply replied 7 years ago
OK, I will let you know tomorrow. Rick Warner
Auto Mechanic: Mike V., Auto Service Technician replied 7 years ago
Ok Rick, I will actually be here all day tomorrow,so shoot me a reply and i will see what I an do to help!
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Mike V.
Mike V.
Mike V., Auto Service Technician
Category: Car
Satisfied Customers: 25,880
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Experience: 25 years of experience, Certified Subaru Technician and Nissan factory trained.

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