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Gas/fuel meter doesn't work
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WhiteFinish
Regular Member
Joined: April 03 2006, 9:48 AM Posts: 1631 Location: Netherlands
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 Gas/fuel meter doesn't work
Why would a gas meter not work anymore ? The light when I'm low on fuel still works. But the meter always indicates full (i wish it was !!) 
_________________ Just another Mx3 freak 
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February 09 2012, 3:57 AM |
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RobMinhas
Regular Member
Joined: November 05 2011, 8:32 PM Posts: 1614 Location: Calgary, Alberta
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 Re: Gas/fuel meter doesn't work
I have a semi related question here.....
Ummm..... do all MX3s have fuel lights that come one when gas is low? I ask because mine has never gone off before....
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Daninski wrote: This is my MX3. There are many like it, but this one is mine. My MX3 is my best friend. It is my life. I must master it as I master my life. My MX3, without me, is useless. Without my MX3, I am useless. I must fire up my MX3 true. I must drive straighter than any Honda driver who is trying to own me. I must own him before he owns me.
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February 09 2012, 4:11 AM |
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Nd4SpdSe
Senior Member
Joined: May 25 2002, 2:01 AM Posts: 11209 Location: CFB Val-Cartier, Quebec, Canada
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 Re: Gas/fuel meter doesn't work
You sure it's the gauge and not the sending unit in the tank? I've never replaced the gauge, but I've had to replace the sending unit before, maybe even twice, but the low fuel light is independant from the gauge needle, that seems to be a different sensor.
_________________ 1992 Mazda Mx-3 GSR - 2.5L KLZE : Award Winning Show Car & Race Car ['02-'09] (Retired) 2004 Mazda RX-8 GT - Renesis Wankel : LS3 Coils, BHR Mid-Pipe + Falken RT-615K 245/40r18 2011 Mazda Mazda2 GS - 1.5L Manual : Yozora Edition (1 of 500) 2003 Nissan Xterra SE - 4x4 Supercharged : 2" Body Lift, 4" Suspension Lift & 33" MTR Kevlar 2001 Nissan Frontier SE - The Frontrailer : Expedition/Off-Road Trailer Project
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February 09 2012, 4:29 AM |
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MrMazda92
Supporting Member
Joined: October 08 2009, 5:35 PM Posts: 5199 Location: Eugene, OR
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 Re: Gas/fuel meter doesn't work
I'd test the sending unit first as well, I've had several fail in other cars.
_________________ '12 Challenger R/T Plus w/ STP - Brilliant Black - 3.92 w/ Limited Slip, Shorty headers, SkipShift delete, Clutch Delay Valve delete, Hurst STS, RAM Clutch Adjuster, Boss 338s/Sticky Nittos, Tuned
92 G4S 5 spd - KL, MegaSquirt, Coilpacks, Gone: VAF/Power Steering/Air Conditioning/EGR/ABS/Auto Seatbelts/etc, 5 lugs, Speed6 brakes, FD wheels, wiretuck, progressive rate coilovers w/ tender springs, modified shorty headers w/ custom collector, AEM WB, 2.5" straight
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February 09 2012, 4:51 AM |
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WhiteFinish
Regular Member
Joined: April 03 2006, 9:48 AM Posts: 1631 Location: Netherlands
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 Re: Gas/fuel meter doesn't work
So where could i find the sending unit ? How does it look like?
I've replaced the stock pomp with the walbro, perhaps I messed up the sending unit ?
_________________ Just another Mx3 freak 
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February 09 2012, 8:09 AM |
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MrMazda92
Supporting Member
Joined: October 08 2009, 5:35 PM Posts: 5199 Location: Eugene, OR
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 Re: Gas/fuel meter doesn't work
Did this happen when you were modifying your gauge cluster? The fuel pump attaches to the sending unit, I haven't personally had a reason to take mine out yet, but I would assume that it is under the rear seat with the pump. 
_________________ '12 Challenger R/T Plus w/ STP - Brilliant Black - 3.92 w/ Limited Slip, Shorty headers, SkipShift delete, Clutch Delay Valve delete, Hurst STS, RAM Clutch Adjuster, Boss 338s/Sticky Nittos, Tuned
92 G4S 5 spd - KL, MegaSquirt, Coilpacks, Gone: VAF/Power Steering/Air Conditioning/EGR/ABS/Auto Seatbelts/etc, 5 lugs, Speed6 brakes, FD wheels, wiretuck, progressive rate coilovers w/ tender springs, modified shorty headers w/ custom collector, AEM WB, 2.5" straight
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February 09 2012, 1:10 PM |
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WhiteFinish
Regular Member
Joined: April 03 2006, 9:48 AM Posts: 1631 Location: Netherlands
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 Re: Gas/fuel meter doesn't work
Uhh.... it happend some years ago.. can't really remember when.
I just went to a gasstation when the light came on.
_________________ Just another Mx3 freak 
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February 10 2012, 3:51 AM |
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MrMazda92
Supporting Member
Joined: October 08 2009, 5:35 PM Posts: 5199 Location: Eugene, OR
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 Re: Gas/fuel meter doesn't work
Hmm, well that's still not too bad... when my light is steady on I have almost exactly 3.2 Gallons left!
_________________ '12 Challenger R/T Plus w/ STP - Brilliant Black - 3.92 w/ Limited Slip, Shorty headers, SkipShift delete, Clutch Delay Valve delete, Hurst STS, RAM Clutch Adjuster, Boss 338s/Sticky Nittos, Tuned
92 G4S 5 spd - KL, MegaSquirt, Coilpacks, Gone: VAF/Power Steering/Air Conditioning/EGR/ABS/Auto Seatbelts/etc, 5 lugs, Speed6 brakes, FD wheels, wiretuck, progressive rate coilovers w/ tender springs, modified shorty headers w/ custom collector, AEM WB, 2.5" straight
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February 10 2012, 6:40 AM |
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Nd4SpdSe
Senior Member
Joined: May 25 2002, 2:01 AM Posts: 11209 Location: CFB Val-Cartier, Quebec, Canada
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 Re: Gas/fuel meter doesn't work
The sending unit is in the gas tank, accessible under the rear seat. It looks like this:  That's for a 323, but nearly identical. That black square box is your floater.
_________________ 1992 Mazda Mx-3 GSR - 2.5L KLZE : Award Winning Show Car & Race Car ['02-'09] (Retired) 2004 Mazda RX-8 GT - Renesis Wankel : LS3 Coils, BHR Mid-Pipe + Falken RT-615K 245/40r18 2011 Mazda Mazda2 GS - 1.5L Manual : Yozora Edition (1 of 500) 2003 Nissan Xterra SE - 4x4 Supercharged : 2" Body Lift, 4" Suspension Lift & 33" MTR Kevlar 2001 Nissan Frontier SE - The Frontrailer : Expedition/Off-Road Trailer Project
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February 10 2012, 11:56 AM |
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mikeinaus
Regular Member
Joined: November 02 2009, 4:03 AM Posts: 1751 Location: Vancouver, BC
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 Re: Gas/fuel meter doesn't work
you can test the sender by putting a volt meter onto the 2 leads (screws) that the gauge needle uses for signal. with the pump assembly removed from the car have someone move the sending arm up and down while its attached to the harness and the ignition on(car off). voltage ouput between the leads should move up and down with the lever, if not replace the sender, if it does replace the gauge...
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March 07 2012, 11:58 PM |
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WhiteFinish
Regular Member
Joined: April 03 2006, 9:48 AM Posts: 1631 Location: Netherlands
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 Re: Gas/fuel meter doesn't work
Thanks, for the tip I've replaced both 
_________________ Just another Mx3 freak 
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March 08 2012, 6:22 AM |
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WhiteFinish
Regular Member
Joined: April 03 2006, 9:48 AM Posts: 1631 Location: Netherlands
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 Re: Gas/fuel meter doesn't work
Nd4SpdSe wrote: The sending unit is in the gas tank, accessible under the rear seat. It looks like this:  That's for a 323, but nearly identical. That black square box is your floater. Super old topic bump. Where did you find this sending unit? Did you get it via Ali Express? searching on what key words?
_________________ Just another Mx3 freak 
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February 25 2018, 6:13 PM |
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Nd4SpdSe
Senior Member
Joined: May 25 2002, 2:01 AM Posts: 11209 Location: CFB Val-Cartier, Quebec, Canada
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 Re: Gas/fuel meter doesn't work
I got mine from Mazda directly....but we're going back many, many years.
_________________ 1992 Mazda Mx-3 GSR - 2.5L KLZE : Award Winning Show Car & Race Car ['02-'09] (Retired) 2004 Mazda RX-8 GT - Renesis Wankel : LS3 Coils, BHR Mid-Pipe + Falken RT-615K 245/40r18 2011 Mazda Mazda2 GS - 1.5L Manual : Yozora Edition (1 of 500) 2003 Nissan Xterra SE - 4x4 Supercharged : 2" Body Lift, 4" Suspension Lift & 33" MTR Kevlar 2001 Nissan Frontier SE - The Frontrailer : Expedition/Off-Road Trailer Project
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March 15 2018, 2:46 PM |
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Nd4SpdSe
Senior Member
Joined: May 25 2002, 2:01 AM Posts: 11209 Location: CFB Val-Cartier, Quebec, Canada
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 Re: Gas/fuel meter doesn't work
_________________ 1992 Mazda Mx-3 GSR - 2.5L KLZE : Award Winning Show Car & Race Car ['02-'09] (Retired) 2004 Mazda RX-8 GT - Renesis Wankel : LS3 Coils, BHR Mid-Pipe + Falken RT-615K 245/40r18 2011 Mazda Mazda2 GS - 1.5L Manual : Yozora Edition (1 of 500) 2003 Nissan Xterra SE - 4x4 Supercharged : 2" Body Lift, 4" Suspension Lift & 33" MTR Kevlar 2001 Nissan Frontier SE - The Frontrailer : Expedition/Off-Road Trailer Project
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March 15 2018, 2:49 PM |
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