Fuel gauges stays on full

Tiny
JASONWOODARD
  • MEMBER
  • 1996 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • MANUAL
  • 99,000 MILES
I put new fuel pump and new cluster still didn't help fix. What is wrong with it?
Thursday, September 17th, 2009 AT 7:53 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

If you have replaced the fuel level sensor as well as the gauge, then the issue is likely a faulty wire that is triggering the gauge to stay on full.

Tracing the fuel level sensor wire should help to determine the issue.

https://www.2carpros.com/articles/how-to-check-wiring

I have attached the fuel pump wiring schematics below. Take a look at the part that shows the level sensor to the gauge. The issue is likely that wire.

Please let me know of any questions.
Thank you.
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Monday, November 29th, 2021 AT 6:50 AM

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