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Old 09-18-2021, 09:54 AM   #1
Senior Member
Workhorse Chassis Owner
Join Date: Jan 2002
Posts: 1,887
Erratic fuel ?

Went to gas up couple of weeks ago and it was filled to the top and than some. Gauge read full. Drove 200-300 miles and gauge went to 3/4 full and stayed there. Should have dropped to 1/2. Stopped for a day and the gauge still showed 3/4 full.

Other dash readouts seem fine. Not an Actia dash. Think the sender/float inside the tank got misaligned due to the full fill up ?

One suggestion is pound the metal fuel tank with a hammer. Not yet tried this.

Suggestions, please........
2003 Dolphin LX 6355 w/ W22 chassis; 8.1L gas & Allison 1000
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Old 09-18-2021, 02:38 PM   #2
Join Date: Sep 2021
Posts: 33
I had mine do the same thing this week... while driving down the highway... I knew I had 3/4 tank of diesel, but suddenly it just dropped out to empty. I figured it was a fuse or failed sender or something... but when I pulled over into a truck stop, turned the rig off, then started it back up, the gauge went back to 3/4 and stayed working the rest of the trip... down to 1/2 tank...? Sometimes I think these rigs have sneaky gremlins hiding in the closets waiting to mess with you...? LOL Jim - 2000 Tradewinds 7371 diesel pusher
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fuel, gauges

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