Please help if you can. My 1999 Durango just won't start! I did notice while checking under the hood that the auto shut off relay and the fuel pump relay were both clicking. I messed with them and moved them around because the other relays by them are the same size. Turned it over and the engine turned fine for a sec and then a thud, and nothing. I have not tried it since, I drove it to work everything was fine came home for lunch back to work and all was fine. go to leave work and it just said no! Any direction for ways to diagnose would help.

 

Engine went "thud" and nothing? Do you mean it could have possibly seized up? Is the starter still clicking or trying to turn the engine over?

 

I was thinking seized or hopefully hydro-locked. I didn't try it after that a bad thunderstorm had rolled in and my wife got there to pick me up. I am gonna try it tis morning when I get to work I will have our mechanic listen to it when I do. Thanks for the response.

 

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Try jump starting. Get your battery properly load tested.