The low fuel light came on at 570 miles.

Oh, and I filled it up all the way to the top of the neck.

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U.S. Army Retired

Let me make sure I'm understanding this right, your low fuel light came on 10 miles before you had to put 20.9 gallons into your tank? So, it came on with, what, 20.5 gallons burned? YIKES! IMO, I would check the calibration on the gauge asap... I'm 99% sure that our tank's maximum capacity is 20.5 gallons, so you were burning reserve fumes well before the light came on....

Edit: Not passing judgement here, but if you've never owned another diesel (as many folks on here have not) this is a particularly important issue... The way many diesels are designed, including our CRDs, running out of fuel can be a very, VERY bad thing. This isn't, "dang, I ran out of gas, let me walk down to the local station and get a couple gallons." With a CP3 pump, injectors, etc., etc., running out of fuel on a diesel can, though not always, cause hundreds of dollars of damage to your engine. IIRC, my father is personally familiar with at least one situation where, on an older diesel, somebody ran out of fuel and managed to kill not only their injectors, but also a couple of pistons. You're talking dropping a few thousand dollars to rebuild the engine at that point. Personally, I would get my in-tank fuel gauge checked out asap and never ever ever drive past the point where I know that I have less than a gallon left in the tank. Once or twice I have put 19.5 gallons in and I was sweating bullets the last couple of minutes hoping that I wouldn't run out of fuel.

Our family has owned diesels for years and when I got my first one my father's first word of caution to me was, "when that low fuel light comes on, you stop at the first diesel station you see." It just isn't worth the risk.

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2006 Jeep Liberty CRD, Limited
GDE Eco Tune, GDE TCM Tune, Bauer 203* Tstat, Amsoil EaA 201 Filter, Clean MAP, Samco CAC Hoses, Magnaflow Muffler #12226.
New Mopar Fuel Filter, K&N Filterminder, Fumoto Oil Drain Valve
225/75R16 Hankook Dynapros

It's pretty widely known that the tank holds more than 20.5 gallons. I've put 22.5 into it on more than one occasion. It takes forever with all the foam though.

My best is 575 btw, so I don't know what else to tell the doubting fellow from Canadia.

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05CRD: GDE Hot ECU & TCM tunes, Provent, Cat filter, Facet lift pump, TransGo kit, Florida TC, Samcos, stainless brake lines, HDS thermostat, Renegade light bar,
Bilstein adjustables, Al's Gen 4.5 Arms, 235/85-16 Duratracs, DTT rear, Elocker front, EVIC+TPMS, Turbo timer, McNally pillar gauges, Weeks Stage II kit.

Here are my average mileage figures in a combination of city and highway driving using different fuel mixes.

1. Winterl fuel mix - 20.5 - 23.5 mpg

2. Summer fuel mix - 24.5 - 27.5 mpg

3. BioDiesel B-99 -19.5 - 22.5 mpg

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2006 Liberty Limited CRD, Deep Beryl Green, Yeti tune, Arp studs, new cams, rockers, lifters, TB. "Green Monster"
2005 Liberty Sport CRD, Deep Beryl Green, GDE Hot Tune, ARP studs. "Rocket"
1982 Fiat 124 Spider Convertible. "Fiona"

Ha ha!
I finally got to use that emotithingy.

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U.S. Army Retired

[quote="flash7210"][quote="CATCRD"]It's pretty widely known that the tank holds more than 20.5 gallons. I've put 22.5 into it on more than one occasion. It takes forever with all the foam though.


Yeah, I have put over 22 gals in mine as well.

Huh. I'm going to fill up tonight, and I am gonna run it right up to the top. I was planning to take a 400 mile trip tomorrow, so we shall see where I'm at when I get back. I'm expecting to get about 25mpg, b/c that is what it has been doing for a very long time.

I'm also going to pull the clutch fan completely tonight just for giggles, since I won't be towing.

edit: Well, so much for that idea. Can't get the stupid thing unlocked from the pulley... So it stays on for now.

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Proud supporting vendor of LOST Jeeps
TRAVELING CRD TECH. I come to you!
Need help? Just ask! I've taken it apart more than most.
Email jeep [at] maincomputer [dot] com - BOARD MESSAGING IS BROKEN
Over 225 CRDs currently driving with my valves, timing belt, rockers, or ARP Studs.
Bad noises = REALLY bad things.

First fuel up was a trip from Phoenix to the Grand Canyon to Page then on to Bryce Canyon.

Stats: 625 miles 19.1 gallons 32 MPG

Second fuel up was from Bryce canyon to Boise.

Stats: 648 miles on 19 gallons even 34 MPG

Third day Boise to Seattle 475 miles just past half left.

Not as good as the mileage I got driving from Tennesse home but then that was on BALD goodyears and not Firestone Destination LE truck tires.

Im happy.

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2006 KJ CRD Ltd - Suncoast, GDE Eco, EGR Delete, After market T-Stat, Skid Row skids, V6 airbox, 2.5" Turbo back
2005 KJ CRD Sport-Suncoast, Transco, GDE Hot-GDE Trans, EGR Delete, Skid Row skids, V6 airbox, 2.5" Turbo back, After market S-Stat
1987 Suzuki LWB Samurai -diesel powered, custom 4 link coil suspension 38.5 SX Swampers