I have a Cherokee (UK) 2.5 CRD that just cuts out and wont restart until 10, 15 0r 20 mins later. Initially it was more intermittent and seemed to always die as I was backing of the throttle. It will now die after 10 -15 mins idling on the drive. If you try to restart it straight away in will turn over but not fire, leave it for 10 -20 mins and it will start up. It’s been into a local garage (who I trust) and it shows no error codes past or present. It’s also had a new fuel filter and head fitted but to no avail. Any ideas?

Injector or air in the line, vapor locked.

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Silver 2006 KJ 2.8L CRD Limited:
GDE ECO Tune / Fumoto Valve / E-Tecno GX3123 7v Glow Plugs / 2nd Gen Fuel Head / Mishimoto RED Hoses / Rockers/Lifters @ 114k / Hayden FC + 11 Blade Nylon / Sears P1 Battery / Transgo 45RFE-HD2 Reprogramming Kit / Timken Front Bearings

Did you pump the fuel head to see if the primer firms up?

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2006 LTD Bright Silver loaded with all the needed mods, CCV intact.
Proudly supporting CRD vendors, and their development of quality parts and accessories.
Equipped with HDS thermostat, plenty of heat, faster warm-ups, increased fuel mileage.

Sound like air in fuel. Check the filter for tightness? Replace if needed. Check the hoses at the fuel head, the clamps cut into them. Trim the hose as needed. Pump and bleed the fuel system. As long as your sure you have no leaks, Also try placing the outlet (blowing side) of a dry/wet vac to the fuel tank with a rag to seal and open the bleeder. Fuel should run out with no air. I have never done this but it was posted. I think its a great idea.

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05 Liberty CRD Sport with Leather 115k
GDE ECO, No EGR, no FCV, (system gone)
Oil Drain plug P/N 090-039
K&N Air Filter, 2nd gen Fuel filter head
NEW Rockers & lifters
Mobil 1 0w-40
Stant 13519 195 deg inline Thermostat.
0 281 002 845 MAP
Etecno GX3123 7v Glow Plugs
Advance Gold 800CCA Battery
Traded it for a Quality VW TDI

Bleeding the fuel head is always a good starting point but keef says the fuel head and filter are new and the problem did not go away. While I'm not sure I understand "It will now die after 10 -15 mins idling on the drive" (that US vs UK english language thing I imagine) I note the comment about it dieing when backing off the throttle combined with a wait of 10-20 minutes for a restart which implies this happens on an engine that's at operating temperature. That suggests to me a possible heat induced sensor problem that goes away when things cool down.

There are at least 2 posts (viewtopic.php?f=5&t=64199&start=80 and viewtopic.php?f=5&t=66905) about similar problems that were traced to heat impact on the crank position sensor. A quick glance at 2.5L CRD FSM stuff on Sir Sam's NOOB site indicates that this sensor is on the 2.5L engine.

Worth checking as the diagnosis test is a pretty simply one.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

It could also be a hot restart issue due to a failing crank position sensor.

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Thanks for your suggestions. Jeep now fixed!
Signal from crank sensor was dropping of when engine died, sigal then came back when it would stary.
New sensor fited but what u pain in the arse as its located behind the turbo!

This actually sounds like the issue I have been having. Sometime will not restart or will die while driving. Dealer wants me to throw $2500 in wireharness at it and see if it will fix the problem.

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No longer a CRD or Jeep owner. Selling everything I have, needs to go as I need the room for a project.

Take the sensor out and do the hair dryer test on it. If the resistance skyrockets when it gets hot, it's shot.

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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.