Hi everyone,

I'm in the midst of diagnosing two fuel gauge problems. Originally it would only read half full after filling up.

After replacing it with a recalibrated gauge, now the needle bounces like crazy all over the place when the car is moving.

I'm assuming there's some sort of chafed ground somewhere - the tank and sender are brand new, sender was bench-tested. The fuel gauge is also recalibrated.

Any ideas on places to look very closely?

Thanks!

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Hi Ken,

     How about the ground wire off the gauge, that runs to the rear of the car with a bolt on the rear frame.  It is near/under the license plater cover.  Make sure it is cleaned and tight.  Take a look at it.

Dennis DiBari ,NY

I was so confident that wasn’t it…until I looked closer and realized the screw wasn’t holding the ground tight to the metal. I switched to a traditional nut and bolt and bam! Rock steady.

Thanks Dennis!

Hi Ken,

     Very glad that it worked for you.  That is usually the culprit - good work on your part that you fixed it!

Dennis DiBari

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