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Old 05-17-2010, 10:56 PM   #1
No Name13
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fuel gauge is a liar!

i drive a 91 ex and ever since the car was given to me i noticed a problem...the fuel gauge wasn't accurate! at times it will say that i have 1/2 a talk, 10 minutes later it will say 1/4 tank..and sometimes it will even say i have 1/8! then it will go back up to a quarter..well you get the point.. the question is how do i fix it without going aftermarket?
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Old 05-17-2010, 11:17 PM   #2
TypeG
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fuel sending unit.

test it with an ohmmeter. you can access from a panel that's under the rear seat.

get a haynes manual for the instructions on the full procedure. later.
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Old 05-17-2010, 11:23 PM   #3
No Name13
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thanks. i always knew i should have gotten one allot sooner.
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Old 05-18-2010, 02:26 PM   #4
bcjammerx
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couple things just FYI

our tanks are square...so 1/2 tank isn't really 1/2...also, you'll notice that after 1/2 your fuel level will drop off faster than pre 1/2 level...cause of that.

when the car leans forward (going down hill) your gauge will show less fuel than actual

when the car leans backward (uphill) your gauge will show having more fuel.

That is normal...acceleration will also make the gauge go up...and stopping will make it show low. I notice this all the time. So only worry when it is outside that realm of normalcy
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Old 05-18-2010, 02:37 PM   #5
H22Artman
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its normal to fluctuate.
dont worry too much unless you fill up and it read less than full. then you know there is a problem with the sending unit.

if i have a half-tank in the car and i do some hard accelerating, it can drop by as much as a quarter-tank. after the car comes to rest it levels off and goes back to where it should be.
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