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Home » Public Forums » GMCnet » Gas gauge issues all of a sudden ((well I WAS messing about in the dash yesterday))
[GMCnet] Re: Gas gauge issues all of a sudden [message #365560 is a reply to message #365557] Mon, 19 July 2021 23:11 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
Senior Member
Have you replaced all your fuel lines.
Some left the gen line alone and it will draw in air and no f*uel when
level loweres a little.*

On Mon, Jul 19, 2021 at 8:57 PM Nelson Wright wrote:

> There are two tanks and each has a sender. Have you tried selecting the
> aux tank and seeing if the gauge changes?
>
> Nelson
> Belle isle FL
>
> Sent from my iPad
>
>> On Jul 19, 2021, at 10:53 PM, twlldeen@gmail.com wrote:
>> After my shakedown cruise last week, -I'm guessing about 250 miles or
> so round trip, the gas gauge showed just under 1/2 tank.
>>
>> I'd filled it to the brim before I left, BTW.
>>
>> I've been back about a week and put about 2 or 3 hours on the Onan so I
> could run the fridge and keep the house battery up. Well today I had the
> genny
>> running and after about 10 mins it coughed a bit then quit. Wouldn't
> start again, tried to run for a second or so then died again.
>> Even though the coach was level and the gas gauge still showed just
> under 1/2, symptom was "out of gas" in my mind. Headed over to the gas
> station and
>> put $100 bucks worth in. Up here in BC, gas is $1.66/litre which
> translates to $6.28/us gallon and $100 gets you 59.3 litres or just shy of
> 15
>> gallons. [yep I know it's fupped up, but what can ya do]
>>
>> Anyway, was surprised to see gas gauge stay at just under 1/2. Onan
> fired up no problem and ran steady after the fill-up.
>>
>> So ....looks like the gas gauge isn't working properly? I was, as the
> title says, "messing about in the dash yesterday" -however if it was down
> enough
>> to make Onan quit it certainly wasn't at half a tank. The gauge might
> have stuck when I got back, before I took the dash apart, because it didn't
>> really change from just under 1/2 all week.
>>
>> The gas gauge always showed the amount of gas even when ign was off
> which I also found odd, the other two indicators, temp and oil pressure
> zero out
>> when the engine quits, but not the gas gauge ...normal behaviour?
>>
>> Larry
>> --
>> Larry - Victoria BC -
>>
>> 1977 Palm Beach 40,000 miles, PO said everything working but forgot the
> word NOT. New Atwood fridge, water heater & furnace. New SS exhaust system,
>> 6000w Onan, Iota Converter, R134A A/C, New fuel lines & heat exchange
> hoses
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--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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