7.3 wont start/turn over - Ford Powerstroke Diesel Forum
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  #1  
Old 06-20-2009, 07:01 AM
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7.3 wont start/turn over

Checked batteries for voltage, and made sure terminals are clean. Truck won't turn over. I can hear solinoids clicking, but it wont attempt to start or turn over. Seems erratic, as it does not do it all the time just when I want to go out riding my raptor

Any idea's guys?!


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Old 06-20-2009, 07:18 AM
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satarter solenoid hanging , tap on starter with hammer while somebody is trying to start it and see if it doesnt start
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Old 06-20-2009, 08:42 AM
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Check starter relay connections to make sure they are secure.
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Old 06-20-2009, 03:44 PM
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Thanks for the replys so far. I have checked all connections to starter and battery, and all are tight. Now another thing it does when it act's up like this is all the idiot lights will flicker when turning key to accessory. Nothing more frustrating to me than a wiring issue!

edit: also banged on solenoid, no luck for me.
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Old 06-20-2009, 04:13 PM
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Suggestion:

If you have any mods that have electrical wiring passing through the firewall I would check for chaffing. Also look at your fuse box and make sure you do not have any loose fuse taps, wires, or fuses for that matter out of place. Definitely sounds as if you may have an electrical problem. You may even want to disconnect your tuner and give it a try just to make sure its not the problem. Do a complete visual of your engine bay and check all electrical connections before your start replacing parts.
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Old 06-21-2009, 09:47 AM
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I just went back out to mess with the truck, and now some of the relays are going crazy under the fuse panel. Pulled it out and reinstalled it and still doing the same problems. I will probably try and disconnect the tuner and see if that helps any. Know of any good ford dealerships to have it serviced at or any to stay away from in Fort Worth, Texas?!
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Old 06-21-2009, 10:00 AM
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I was reading another post with a similar problem and one of the Techs mentioned re flashing the PCM. Not familiar with the process myself, seems to be self explanatory. I would also try disconnecting the batteries, let the truck sit for a while and come back and hook it back up.

Not from TX...sorry!
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Old 06-28-2009, 12:40 PM
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had any luck with it? mine's just started doing the same thing.
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Old 06-28-2009, 08:00 PM
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Honestly, no not really. I ended up taking the batteries to get load tested, and they were shot. I just replaced them in Feb of this year to. I ended up having my altenator checked as well and I ended up replacing it too. While it is better, the problem is still not totally fixed as it still will just click the solenoids at times. The starter was replaced about a year ago as well. I guess next step is to replace each wire than runs from the batteries to where ever it may lead as funds allow and see how it ends up. Sorry I couldnt be more help to you.
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Old 06-29-2009, 05:20 AM
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no worries...hope you find the problem.

I tried boosting the truck, cleaning all my connections, checked all fuses and grounds, and had no luck. I was able to find a battery tester and sure enough they were both completely drained. I charged them and the truck's running again. Although I still don't know what would have drained the batteries to the point where the truck couldn't even be boosted.
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