Neither one of you is understanding the first point in which fuel waxing occurs, inside the filter element. The fuel heater stops this from happening and allows fuel to flow freely to the pump. The fuel will not wax in the line from the filter to the injection pump. But hey, what do I know, I just live in Alaska and deal with cold most of the year.

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2020 Ram 1500 CC Ecodiesel Limited
1995 Dodge Ram 2500 4x4, 5.9 Cummins, 47RH, Reg Cab
2005 Liberty CRD,fixed the rockers and a couple more things,GDE Hot tune,Weeks Stage 1 and 2 EGR delete,Hot Diesel solutions Tstat assembly(wonderful heat!), ARP studs, OME 1.5" lift.....thanks Seth! (Sold)
2006 Liberty CRD....The Moose Hit

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'06 Lbrty Sprt CRD 150K

Sasquatch
DSS Turbo
CAT-elimntr
Weeks Stg1&2 EGRfix
PV-200
BLING
vent gauges

IDParts
head
cams
rockers
Timing set
ARP studs
eTn1 GX2123 5v GPs

YETI Custom Tune
Flowmaster 8325508
Carter P76611M
GM 12611872
Hayden 2986
GM 15976889
PATC Custom Billet
2010 Ram Hemi Trans
Sonnax 44957
Transgo kit
Cooper 51770

So that's the FIRST place, huh? Not that big non-insulated and non-heated reservoir of wax and jelly sitting between the rear wheels?

Yeah... Your "explanation" doesn't pass the scientific smell test. If it is cold enough to gel in the filter, it is more than cold enough to do it in the tank too. The tank also isn't sitting next to an engine that might provide several hours of warmth passively to the filter, while the cold wind passing under the tank is continuously cooling off the fuel in it from the moment you park the car.

Either your fuel is winterized or it isn't. That 40 watt heater WILL NOT HELP YOU if your fuel isn't winterized. BUT that little safety hazard HAS CAUSED ENGINE FIRES and even the second generation design has shown the potential to crack and leak just the same as the first generation did. For the safety of your vehicle, unplug it. It won't stop a problem, but it COULD cause one.

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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.

Thanks Winkster. I just have had the same problem. You have saved me tons of time Diagnosing . Now to find where it is Shorting out.

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05 Liberty Sport (SEGR, Elephant hose, Caseless inline thermostat, Weeks Elbow, 7V Etecnos, V-6 airbox w/splashguard, Aussie shroud, Bees Timing belt procedure w/ IDPARTS, EVIC added, Leather Seats installed, Moog LBJs)
02 Jetta TDI wagon GLS (elephant hose mod), 5-Spd swap, Bilsteins, TT bushings
I stand UNDER my work!