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2005 cts
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Discussion Starter #1
My 2005 cts will run but won't start I have no check engine light codes. I checked all the fuses,relay,and replaced the crankshaft sensor and have checked the fuel pressure and I have no spark at the coils what else could it be.
 

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'05 CTS-V
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8,296 Posts
My 2005 cts will run but won't start
How do you know it will run if it won't start? :confused:

I have no spark at the coils what else could it be.
I assume you mean it does have spark at the coils? Otherwise, if it has no spark at the coils, there shouldn't be a need to ask what else it could be.
 

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06 CTS Sport/Luxury package
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9,818 Posts
You mean it will start but won't run.

As for not having spark, well that could a number of things.

Fuses for left and right side ignition coils. Located in engine bay box.

Relay for ignition. Located in box under rear seat.
Relay for fuel pump, under rear seat.
Fuse for fuel pump. Again rear seat.

You have a lot more items to check. So don't forget about those fuse boxes under the rear seat.

KOT
 
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