fuel guage ?
Thread Starter
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Cross-Country
Joined: Apr 2012
Posts: 94
Likes: 3
From: Chilliwack, BC, Canada
fuel guage ?
My fuel guage does not read correct. If i fill the truck up it will rejister full for a while and when driving or if i switch off the truck it drops to empty,which makes the computer read a few miles until empty. could this simply be a bad connection or is my sending unit in the tank shot?. I looked around on the net and found some sending units cost 400 bucks which seems a rip off. Any ideas guys ?
Thread Starter
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Cross-Country
Joined: Apr 2012
Posts: 94
Likes: 3
From: Chilliwack, BC, Canada
i just read my dct's and it gave me po403,p0405 which are erg codes due to my egr delete i think. My guage started working again at the moment reading correct and the computer mpg was ok also,so maybe could be why its not showing that code?. what is 0460 code. Sometimes my guage works sometimes not.
Postmaster
Joined: Jul 2011
Posts: 3,263
Likes: 0
From: Houston, TX
maybe a bad sending unit. i know mine is possessed. lol. she acts weird at about half-tank. either climbs to full or drops to empty. when tat happens, it always reads "fuel data something error". i cant remember exactly. mine is more like a bad fuel sender unit.
i'll eventually get round to changing it. lol.
i'll eventually get round to changing it. lol.
Senior User
Joined: Aug 2010
Posts: 284
Likes: 0
From: Royse City, Texas
Well mine i slike I will fill up, drive like 100 miles and bam down to half a tank in no time then it takes forever to go from half to empty.... never reads the right levels
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Postmaster
Joined: Jul 2011
Posts: 3,263
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From: Houston, TX
Lol. Sorry but It is funny when the damn thing acts possessed.
BTW, for the 05 model, is my fuel sending unit in the back and outside of the tank? I got a diagram from tousley Ford that may suggest that. Please correct me If I'm wrong. Thanks.
BTW, for the 05 model, is my fuel sending unit in the back and outside of the tank? I got a diagram from tousley Ford that may suggest that. Please correct me If I'm wrong. Thanks.
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Junior User
Joined: Mar 2012
Posts: 63
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Funny that this came up. Yesterday I filled he truck up and went home which is about 34miles and it's still on full. This morning I jump in and it's just above 3/4 of a tank so I thinking that maybe I had some fuel stolen but between the dogs and my location I just don't see that. As I'm driving the gauge it going up to the point that I'm almost back on the the F.
I'll have to check for codes tomorrow.
P.S. Last tank I got 423 miles out of it.
I'll have to check for codes tomorrow.
P.S. Last tank I got 423 miles out of it.
Senior User
Joined: Mar 2003
Posts: 296
Likes: 0
From: El Cajon, CA
My fuel guage does not read correct. If i fill the truck up it will rejister full for a while and when driving or if i switch off the truck it drops to empty,which makes the computer read a few miles until empty. could this simply be a bad connection or is my sending unit in the tank shot?. I looked around on the net and found some sending units cost 400 bucks which seems a rip off. Any ideas guys ?
After that incident I was reading about a similer problem on other vehicles when you left the ignition in the on position while filling. Now I don't leave it in the on position & haven't had the problem again.
Senior User
Joined: Dec 2009
Posts: 206
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I had a pretty crazy acting gauge much like these, only mine really acted up when it hit 1/4 tank it would drop to empty within a couple of miles (literally 5-10) and then I even had the computer go into limp mode because it thought it was out of fuel. Spent my 280 on the sender and no more problems, Turned out that on the sender rheostat some of wires were burned right near the 1/4 tank level.
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
Cheezit has mentioned before that there can be false P0460 codes, and that there was a PCM flash to correct that. So if you don't have the latest flash from Ford, you will want to get that done to correct the problem.
If you have done that and you still have a dead spot on your gauge, then you have to look at the sending unit. First make sure all the connectors are properly seated.
If all else fails, as it did on mine, you will have to pull and replace/repair the sending unit. I just did mine last weekend, and here is the info:
https://www.ford-trucks.com/forums/1...l#post12036141
If you have done that and you still have a dead spot on your gauge, then you have to look at the sending unit. First make sure all the connectors are properly seated.
If all else fails, as it did on mine, you will have to pull and replace/repair the sending unit. I just did mine last weekend, and here is the info:
https://www.ford-trucks.com/forums/1...l#post12036141
Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
I would get P0460 fairly often, and then occaisionally I would also get P0463 (IIRC) and that would set the check engine light.
It is possible that CA would fail my emissions test with either of these codes, so I felt like I needed to fix it.