5.7 won’t start-blows air back through TB

[SuperTramp]

Ok! Just like magic is the problem has reappeared. For no apparent reason the 5.7 will not start. One member suggested that I videotape the pulley on the front of the engine to see if it kicks back and turn the opposite direction after i turn key back to neutral position. I believe the comment also suggested possibility of moisture in the description which I have not had time to check yet. Does the attached video shed any additional light on the problem to the generate additional potential diagnosis from members?

https://www.dropbox.com/s/lltyma1lv2q07mi/IMG_9106.TRIM.MOV?dl=0

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Here is the video I refered to earlier

 

[SuperTramp]

https://www.dropbox.com/s/lltyma1lv2q07mi/IMG_9106.TRIM.MOV?dl=0 5.7 trying to start

 

[SuperTramp]

Have you resolved this problem? How did the inside of the cap look?

I haven’t looked under cap yet since I haven’t had the problem and therefore became a low priority. But guess what? It’s back. I’ll have to set up my wood board across the fenders to be able to reach the cap. Here is a video of attempted start today. I was advised by a member to see if the belt pulleys turn backwards once ignition to turned off. It did. Let me know what you think. https://www.dropbox.com/s/lltyma1lv2q07mi/IMG_9106.TRIM.MOV?dl=0

 

[SuperTramp]

PROBLEM SOLVED-thank you for all your suggestions. Here it is/ the wires coming through the notch in the distributor cap located on the side closet to the firewall, going to what I was told was the cam position sensor, were getting wet. I removed the cap, disconnected the plug and used silicone to add a watertight seal where the wires went into the plug. I haven’t had a problem since. Knock on wood


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