2005 Starting Problems

I have been having "starting problems" with my 2005 Corvette coupe. After the diagnostic check, I've replaced...
Both fuel pumps & sending units and the fuse panel box
Still having problems with starting / engine will 'crank' but not start!
HELP  

there are charts in the factory service manual and available online from information suppliers...

the chart you need is a Cranks but won't start...

i will look around and see if i can find something..

you will also need access to a scan tool that displays live data stream....

and print this chart..     with the scan tool displaying your live data... write one line of your data stream next to the correct line on the chart.. so you can see if you are close....


then go over the lines of info one at a time till you see something that sticks out as not being right...


there are So many things that can stop one from running...   a bad crank sensor.. a bad cam sensor.. a blown fuse... a bad fusible link... a bad ignition key...

look and see if the security light is flashing.. if it is.. you have a key, lock cylinder? RF transponder problem next to the ignition cylinder...  you will notice that your keys are stamped PK2 or PK3




if you don't have a scan tool... you have several options... a harbor freight 98614...at about 120 or 130 depending if its on sale...

or a truly full function scan tool is the OTC 3499N .. and that will do almost any year of computerized cars.. but it costs about 450 or so... so its a big investment..  but it does air bags.. antilocks and transmission along with all the CAN system...

you can tell if the security system is locking you out at the long term fuel trim will have a LO or OL instead of a conventional displayed number...