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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1667
Experience:  GM Grand Master Technician 2007. 14 year experience.
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No start weak spark security light blinking with key off,

Customer Question

no start weak spark security light blinking with key off
JA: Does the light flash, blink or stay solid? Have you tried to reset the security system?
Customer: flash how do you reset it
JA: What is the model/year of your GMC?
Customer: 2001 yukon xl
JA: Are you fixing your Yukon XL yourself? What have you tried so far?
Customer: tried to lock and unlok door with the key to no avail
JA: Anything else you want the mechanic to know before I connect you?
Customer: offers to start right away then nothing
Submitted: 2 months ago.
Category: GMC
Expert:  Amedee replied 2 months ago.

Hello and welcome!

My name isCustomerand I can assist you with your question.

Expert:  Amedee replied 2 months ago.

Have you checked for codes in the computer?

Are you looking for possible causes?

Can I start by getting your VIN?

Thank you!

Customer: replied 2 months ago.
Expert:  Amedee replied 2 months ago.

Sounds good. I willbe happy to help.

I will need your engine size and or VIN to start with.

Also, does the engine run on starting fluid?

Expert:  Amedee replied 2 months ago.

Hello! It'sCustomerfrom just answer.

I am just checking in to see if you need any further assistance?

Let me know!

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