low fuel light?
#1
low fuel light?
so i know our trucks did come with one but i have yet to see one on my 93 d250 is there one? if so could it not be hooked up? how can i put one on the truck? i only know i do not have one cause the truck is sitting on E in the drive way.
shane
shane
#4
Administrator
It is on the message center where it says CUMMINS, mine does not self test when the truck is first started but I know it works because it comes on at least once a week.
Jim
Jim
#6
Registered User
Mine doesn't come on at startup either, but it starts showing itself around a 1/4 tank, depending on how fast I take off from dead stop. Stays on constant around 1/8.
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#9
Registered User
No self-testing in my '90 when the ignition is first turned on. I noticed last year after I swapped the original tank (non i/c sending unit/assembly) for a '91.5 (i/c sending unit/assembly), I haven't seen the low fuel light come on like it used to when the gauge gets to somewhere around 1/8 of a tank. Maybe the bulb is burnt out? Wiring between the 2 trucks is identical and was connected correctly according to wiring schematics.
Not much of a concern as I tend to fill up when the gauge reaches a 1/4 of a tank anyhow.
Not much of a concern as I tend to fill up when the gauge reaches a 1/4 of a tank anyhow.
#10
Administrator
The Low Fuel light should also be known as a " hey take it easy light", because under a load there will not be enough circulating fuel left in the tank to adequately cool the injection pump combined with the dry fuel it would be easier to destroy your pump.
#11
Registered User
#15
Funny thing...i posted that last night. This morning i left the house, headed to fill the ol goat up because i let it get way low on fuel. While driving the needle made it to E, something I've never done in the 5 years I've owned the truck. Boom, low fuel light. Kinda pointless coming on so low but still cool to have.
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