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Old 13-12-2009, 07:18 PM   #1
toolchick01
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Default AU I Fuel sender issues

Hi all,
I recently changed my fuel pump and sender in my car, and now everytime i turn my car on and off, the gauge and DTE always read as full, even if I know there isn't that much fuel in there. The gauge and DTE go down while I'm driving, then I can turn my car off when I get to my destination, turn it back on again, and it's back up.

My question is, do you think it's the sender or something else?

Thanks in advance.

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Old 13-12-2009, 11:09 PM   #2
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Anyone???
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Old 14-12-2009, 09:29 AM   #3
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Welcome to Ford fuel guages! They lie more than state labor premiers.
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Old 14-12-2009, 10:18 AM   #4
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Sounds like the wires may be crossed.
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Old 14-12-2009, 11:53 AM   #5
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I dont know how the wires could be crossed. All i did when i changed it was remove the whole unit and replace it with another whole one i bought. Only thing is its a second hand one from a wreckers. It came with a 3 month warranty and its from a later series. Was there any difference between the sender from different series.
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Old 15-12-2009, 07:03 AM   #6
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Not certain as to a different sender in each series. Try putting the car in diagnostics mode and checking the dte function there. Might be the fuel level sensor?
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Old 15-12-2009, 11:56 AM   #7
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In diagnostic mode, the instant fuel level sits about right, at 23L. But the buffered sits anywhere between 40L and 70L.
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Manual - 18" Koya Race Tek's Black with polished lip - Lowered - Series 2 tail lights - Pioneer P80 Head Unit - Clarion Front 6" Splits - JL 5x7's Rear Coaxials - Clarion 4x90w RMS amp - Clarion DPX1800 800w RMS mono - 2 Clarion PXW1251 400w RMS 12" subs

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Old 15-12-2009, 02:04 PM   #8
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ALL IS GOOD PEOPLE. I managed to solve the problem. I ripped the old fuel pump out in record time (30min) lol, took it back down to where I got it, got it replaced, fitted the new one, reset the ECU, and presto. IT WORKS. I think it might have been the fuel sender was a bit dodgy. But thanks to all who posted. I'm sure you will be hearing from me again.
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Stop chasing me! I don't have any donuts!

1999 AU1 XR6 VCT - Now with a momo steering wheel!
Manual - 18" Koya Race Tek's Black with polished lip - Lowered - Series 2 tail lights - Pioneer P80 Head Unit - Clarion Front 6" Splits - JL 5x7's Rear Coaxials - Clarion 4x90w RMS amp - Clarion DPX1800 800w RMS mono - 2 Clarion PXW1251 400w RMS 12" subs

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Old 15-12-2009, 02:33 PM   #9
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Glad to hear it's fixed.

Just a note, when I switch the car off and DTE is 30 or less a lot of the time the gauge will show full next time I start it and the trip computer will resume ave/100. Then when I fill it takes ages to read full once going again. Apart from that it's very accurate. DTE has never caught me out on the road.
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