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Old 04-29-2011, 10:48 PM   #1
bopiela
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Any way to fix this? My fuel gauge reads less than E constantly now...

Thanks.
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Old 04-29-2011, 11:21 PM   #2
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Here are the possible causes and diagnostic tips--work the list from the top down...
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Old 05-10-2011, 09:09 PM   #3
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Cliffy,

I've tried going through that list. Not sure I'm fully understanding. Can you shed any light on what I should be doing?

Thanks!
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SOON TO BE CX Intercooled, 3.12 pulley, 3.73 gears and new tune!



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Old 05-10-2011, 09:41 PM   #4
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Cliff's link works well if you have the Ford IDS scanner to check the PIDs. Sounds to me like you have a bad fuel sender most likely. The fuel gauge works off ohm readings. As it sweeps the resistance will vary and cause the gauge to move. I'd drop the tank and pull the assembly out, and check the resistance as you manually move the float up and down
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Old 05-10-2011, 11:04 PM   #5
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Cliff's link works well if you have the Ford IDS scanner to check the PIDs. Sounds to me like you have a bad fuel sender most likely. The fuel gauge works off ohm readings. As it sweeps the resistance will vary and cause the gauge to move. I'd drop the tank and pull the assembly out, and check the resistance as you manually move the float up and down
Ugh!! Haha. What if it's not that? What else could it be? I guess I'll have to find some time this weekend. Thanks
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Old 05-10-2011, 11:35 PM   #6
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It could be a shorted wire 'tween the sender and the instrument cluster--have you changed anything, had any damage, etc?

Use the HEC (Hybrid Electronic Cluster) self-diagnosis mode to examine the FUEL parameter (bottom of page 1).

If the observed value is between 93 and 215 then the problem is in the fuel gauge itself¹, not the wiring, if it is less than 40, or 0-18, then there is a wiring short.

----------------------------------------------
¹ - The "gauges" are servo-motors driven by the instrument cluster micro-controller, if the HEC diagnostic digital value is between 41 and 230 then the gauge motor is bad.
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SOLD! - 2003 GT, UPR X, FRPP 24lb/h, Magnaflow, PP 70mm TB & plenum,
Delta Force tuned, Steeda UDPs, Ralco flywheel,
RAM HDX clutch, 3.73s, 262 rwHP/305 lb-ft.

New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq


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At its extreme it is making what you want from what you can get.
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Old 05-12-2011, 08:17 PM   #7
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Well I get FUEL000 So there is a short somewhere. Boy, this out to be fun to find... Ha ha. Any idea where the most common short locations would be ?
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Old 05-12-2011, 08:48 PM   #8
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I have not heard of any common issues with this, has there been any event(s) roughly associated in time associated with the gauge's not working--bumps, running over something, repairs???
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SOLD! - 2003 GT, UPR X, FRPP 24lb/h, Magnaflow, PP 70mm TB & plenum,
Delta Force tuned, Steeda UDPs, Ralco flywheel,
RAM HDX clutch, 3.73s, 262 rwHP/305 lb-ft.

New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq


Engineering is, at its base, making what you want from what you have.
At its extreme it is making what you want from what you can get.
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Old 05-12-2011, 09:03 PM   #9
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sorry to hear about your luck man, this is one of those things that you sit there and think "why the f#ck does this have to happen to me". good luck!
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Old 05-12-2011, 10:03 PM   #10
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cliffy - i had the steering column down for a couple days, but after reinstalled, the gauge was working. as far as i remember, it was working, i parked it for a few days (week maybe) and got in it one day and it was on E... there was a good amount of time between the steering column being down and the issue too....

kugz, thanks man. not the worst issue in the world. im using the trip meter when i do drive the car right now, and just being cautious. but would be nice to know how much gas i have, haha.
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2000 GT Project 'The Beginning' - Alloy Metallic with Mango Tango Stripes. Custom body work, Vortech supercharged (hp/tq), MRT Catted H, SSS Adrenaline Catback.
SOON TO BE CX Intercooled, 3.12 pulley, 3.73 gears and new tune!



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I wish I could get blown
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Old 05-12-2011, 10:03 PM
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