2004 Sierra, cranks, no start

By sierra0404
February 27, 2014 in 1999-2013 Silverado 1500 & Sierra 1500

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sierra0404

Posted March 1, 2014

Author

Posted March 1, 2014

Put a new crank sensor in and still no spark

txab

Posted March 1, 2014

Have you checked for stored codes?

oldscsc

Posted March 1, 2014

You need to observe sensor data with a scantool. There are multiple sensors that, if aren't reading or are reading erroneously, will not trigger the PCM to supply spark.

sierra0404

Posted March 1, 2014

Author

Posted March 1, 2014

I got power all the way til u get to the plugs all the coils have power thru then.

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