Chevy silverado 6.0 vortec 2005

Asked by Jun 29, 2016 at 11:58 PM about the 2005 Chevrolet Silverado 2500HD

Question type: Maintenance & Repair

Can someone help me out on my 2005 chevy
silverado 6.0 vortec engine wont start I have
already replaced fuel pump crank sensor and fuel
pump relay what would it be battery is good my
truck just won't start! Please help

3 Answers

113,545

You need to find out if it is fuel or spark related, spray some starting fluid in the intake while someone cranks it over, if it fires and runs briefly then it is fuel, if not then it is spark. Find that out then we can go further. Do you have access to a live data scanner?

If you are getting fuel and fire but starter is not turning over a bad ground from harness located on passenger side close to firewall might be the cause.

Is the starter engaging?

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