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10-07-2004, 08:19 AM
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#1 |
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Registered User
Join Date: Sep 2004
Location: Buxton, ME
Posts: 91
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Fuel Gauge
I have an '89 Suburban. When the tank is about 1/2 full, the fuel gauge 'wigs out' bouncing between 1/2 and Full. I'm suspecting the gauge is bad. My 1/2 ton pickup did the same thing until I tightened the connector behind the instrument cluster, but the same fix didn't work on the 'burb!
Anyone seen this behavior before? 
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10-07-2004, 09:16 AM
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#2 |
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"The dude abides"
Join Date: Apr 2003
Location: North Dakota
Posts: 472
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I have never messed around with fuel gauges much, but it sounds to me like the sending unit in the tank.
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RockMan 1993 Chevy Silverado C3500 1 ton dually 1994 Honda Civic 1969 Oldsmobile Cutlass S 1953 IH Farmall Super M New to the fleet: 1992 Subaru Loyal |
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10-07-2004, 08:57 PM
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#3 |
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Stepsides RULE
Join Date: Jul 2004
Location: Pineville, LA
Posts: 1,921
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generally, feul gauge probelms are the sending unit. My gauges is top-sided; drops real slowly when full, then falls off past halfway on the gauge and goes past F and E. Pretty much its a sending unit problem, as its the weak link in the whole system i guess.
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1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord |
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10-08-2004, 08:58 AM
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#4 |
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Registered User
Join Date: Sep 2004
Location: Buxton, ME
Posts: 91
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I really don't want to drop the tank, but I suppose I will have to sometime!
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10-08-2004, 09:01 AM
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#5 |
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I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,774
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Defiantely sounds like a fuel sender like others mentioned. While you're there you might want to invest in aa completely new tank and sending unit if you're tank is old or rusting. Also incluse with that new straps and rubber lines.
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1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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10-08-2004, 09:05 AM
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#6 |
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Registered User
Join Date: Sep 2004
Location: Buxton, ME
Posts: 91
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Believe it or not, the underside of this truck looks like it just rolled off the assembly line. I can read the part number stamped on the frame. No rust at all as it came from your neck of the woods (somewhere in TX). The tank is mint as are the straps, so I'm not too worried about that. If I drop the tank, I'll replace everything while I'm there! It's not worth it not to!
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