Weird Electrical Problem
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New User
Joined: Jul 2010
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Weird Electrical Problem
I have a 2001 F25 with the 7.3L. Recently I've encountered some kind fo electrical problem. I think. When I bring my truck to a stop and put it in park the truck will rev the engine up to about 1300 or 1400 RPM for a few seconds then settle back down to idle. Also one time while stopped and in park the speedometer started jumping all over the place. I have a DP Tuner. The truck will do this when I have to tuner on and when I have the tuner off. I don't know where I need to start looking. Can someone point me in the right direction of where I need to look to fix this problem? I can answer any further question y'all might have. I recently replaced the speed sensor because it threw a code and was hoping that would fix the problem and it didn't. Thanks for your help.
Hotshot
Joined: Feb 2003
Posts: 11,537
Likes: 27
From: Long Beach, Ms.
Check the alternator output for voltage and amperage.
Check the batteries for voltage and amperage.
Get a digital volt meter that plugs into the cigar lighter or power point.
12V/24V Car Digital Battery Volt Meter - USD $ 6.99
An improper voltage can cause some of your symptoms.
Check the batteries for voltage and amperage.
Get a digital volt meter that plugs into the cigar lighter or power point.
12V/24V Car Digital Battery Volt Meter - USD $ 6.99
An improper voltage can cause some of your symptoms.
Cargo Master
Joined: Apr 2010
Posts: 2,405
Likes: 4
I think my problem is linked somehow to the trailer brake controller. I leave my controller unplugged when not in use. I only have the symptoms when I plug my controller in, with or without a trailer. At this point it makes no sense to me.
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