Your Classic Car Community and Marketplace
Register | MyOldRide Account | OldRide Store | Support | Site Map   
OldRide HomeClassic Cars and Trucks For SaleClassic Car and Truck Parts For SaleSell on OldRideOldRide AnswersRusty RidesCar Show ListingsCar Club ListingsResearch Library  
OldRide Answers Home
Using OldRide Answers
Ask a Question
Browse Questions In:
Other Makes
Classic Trucks
 General Topics
General Questions
Help Identify
Classic Car News
General Restoration
Vehicle Maintenance
Site Suggestions & Comments


Ask a Question in OldRide Answers
Help Enrich the Classic Car Community
Explore Closed Questions and Answers
 Search Questions: 
I recently Purchased a 1967 Chevelle which has a fluxuacting Fuel Gauge. What could be causing this?
posted: September 12, 2011
  Answers (5)
The fuel gauge works off of ohm resistance. Try hooking up a volt meter and while driving see if ohms flunciate or if it loses ohms.
posted:  September 12, 2011
Click to close this picture
Is it only occurring at certain times, like when the tank if full? Or does it happen non stop no matter if the tank is full, half full or almost empty?
posted:  September 12, 2011
Click to close this picture
When the tank is full it registers full and doesn't move, it seems that once approx 1/4 tank fuel is used it starts acting up. when I accelerate and decellarate its all over the place. I never got to the point close to empty tank due to
the fuel gauge may no be correct.
posted:  September 13, 2011
Click to close this picture
Older vehicles had brass floats on the senders, and if they developed a pinhole, leaked, and filled up somewhat with fuel, they no longer "floated" on the surface of the fuel, but instead, bobbed up and down in the fuel. If your tank was full, then they would bob up and down in the entire height of your tank, going from empty to full and back to empty without any rhyme or reason. I don't know if a 196X GM would have a brass float, but the 57 chevy sending unit had a brass float, and this problem would cause the same symptom as you described.
posted:  September 22, 2011
Click to close this picture
Try checking the ground wire to your tank.

Probably a bad sending unit !
posted:  October 20, 2011
Click to close this picture

Home | Classifieds: Vehicles / Parts | Sell on OldRide | Rusty Rides | OldRide Answers | Events | Clubs

Library | Car & Truck Resources | MyOldRide Account | Support | OldRide Banners | Car Photos

Copyright © 2017 Internet Brands, Inc. All rights reserved | OldRide Support | Terms of Use | Classifieds Disclaimer | Privacy Policy | Cookies