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Engine will turn for five seconds no spark. 100000

Customer Question
Engine will turn for...

Engine will turn for five seconds no spark

Mechanic's Assistant: How many miles are on the car? Is it an automatic or a manual transmission?

100000 automatic

Mechanic's Assistant: What is the model/year of your Chevy?

Tahoe 2006

Mechanic's Assistant: Are you fixing your Tahoe yourself? What have you tried so far?

Check for voltage at coils ,ckech ground at coils, replace cam and crank sensors

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Not getting trigger at coils

Submitted: 2 months ago.Category: Chevy
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Answered in 44 minutes by:
5/28/2018
Chevy Mechanic: Danny, ASE Certified Technician replied 2 months ago
Danny
Danny, ASE Certified Technician
Category: Chevy
Satisfied Customers: 4,621
Experience: ASE Master Technician with L1 advanced engine performance, VW Certified, former US Army mechanic
Verified
Does the tachometer show that the engine is spinning when it is? When you turn the key to the on position do you see the check engine light in illuminate and for a moment of time on the dash? Do you have voltage at the coils or the fuel injectors? What about at the crank and cam position sensor?
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Customer reply replied 2 months ago
Did not pay any attention to tachometer.check engine light does light up got voltage at coils
Customer reply replied 2 months ago
I also checked to see if I had 3 to 5 hz on trigger wire 0hz
Chevy Mechanic: Danny, ASE Certified Technician replied 2 months ago

You have a meter capable of measuring frequency huh? Ok. Check and see if you're getting power and ground to the crank sensor.

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Customer reply replied 2 months ago
I had to quit working on it it's storming here
Chevy Mechanic: Danny, ASE Certified Technician replied 2 months ago

You still need help? I would assume the storm is over?

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