2006 gmc sierra 5.3 no spark

50

Asked by cboyles1 Mar 09, 2017 at 11:20 AM about the 2006 GMC Sierra 1500 SLE1 Crew Cab 5.8 ft. 4WD

Question type: Maintenance & Repair

I have a 2006 gmc sierra 1500 with a 5.3 and it
won't start due to no spark.  Have replaced crank
sensor and still no spark.  Any suggestions?

8 Answers
225,075

Rowefast answered 8 years ago

More than likely the coil is bad. You can have it tested at an auto parts store. Also a bad distributor cap and rotor, or bad coil wire.

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225,075

Rowefast answered 8 years ago

No spark from any of them? The coils may not be getting any power.

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50

cboyles1 answered 8 years ago

The coils have good ground and 12v going to them. Kind of wondering if 12v signal from ecm triggers them? And if so it's seeming more and more like a tow bill and expensive dealer service for me.

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225,075

Rowefast answered 8 years ago

Check out the fuses first, I think there is a fuse for the ecm.

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30

Smackgeorge44 answered 5 years ago

I have the same issues on my 2006 GMC Sierra 5.3. New crank sensor and still no fire

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Your Answer:

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