Clicking sound upon start - Ford Powerstroke Diesel Forum
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Old 04-03-2013, 04:40 AM
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Clicking sound upon start

I have a 2001 F-250 7.3 Powerstroke and I have a intermittent clicking sound when I turn the key to start the engine. If I turn the key off and restart, the sound goes away. Sounds like it is behind the dash. Any thoughts?

Also, I have a buzzing sound sometimes following a hard rain. It causes the dome light to flicker on and off and the only way I can control it is to roll the dome light switch to 'on' position and the buzzing stops. Once the truck is dry, then the problem subsides.

Thanks,

Keller Mac

Last edited by KellerMAC; 04-03-2013 at 04:48 AM.
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Old 04-03-2013, 04:42 AM
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if im not mistaken the PCM module is getting wet. not for sure im no 7.3 expert but i know its pretty common on them. im sure someone can chime in where the leak is. i think windsheild?
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Old 04-03-2013, 04:47 AM
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Thanks for your reply.

Where is the PCM located on my 2001 F-250 7.3 PS?

Thanks
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Old 04-14-2013, 09:19 PM
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batteries. if your batteries drop below a certain voltage relays start clicking on and off. i had that problem but my starter was the problem since it was weak and drawing too much power

im not sure about the rain problem though but your pcm is located in the lower left of your firewall. Look behind your parking brake and you will see it
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Old 04-19-2013, 11:56 AM
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yep , Batteries. I just put 2 new ones in my 99 PowerStroke.
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Old 05-01-2013, 11:35 PM
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Im having the same clicking noise only while cranking. Turns over great and starts every time but I cant figure out where that clicking noise is coming from.
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