My '06 CRD occasionally won't start. Turns over fine but does not fire. After sitting for any where from 1 minute to .... it will then crank and start. Only showing a code P1261 for glow plug. Can't figure out what the problem is. Any help would be appreciated.

Thanks!!
Bruce

Is there air in the fuel system? Try bleeding it? Last time you changed the fuel filter? Origional or 2nd gen fuel head?

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2006 Sport, GDE FT Eco Tune, Custom Trans Tune
2015 Ram 1500 Big Horn EcoDiesel, GDE Hot Tune

I don't believe it's air in the fuel system.It did it a couple times in the summer when it was real hot and I thought maybe it was vaper locked. Then it did it a couple of weeks ago and again today. It seems like it tries to start when you first crank it but then it's like theres no fuel. let it set for a little while and it fires right up

Little more info here. Others can chime in, but it is possible the Crank Position Sensor. Try and search for that and see if their stories sound like yours.

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2006 Sport, GDE FT Eco Tune, Custom Trans Tune
2015 Ram 1500 Big Horn EcoDiesel, GDE Hot Tune

Several things come to mind:
1. What's the age and CCA of your battery? Older batteries don't like real hot or real cold and newer batteries can develop odd no start if shorted internally not to mention that minor battery voltage drops on computerized vehicles can cause the ECU to fail to send a "permission" to start signal.
2. Do you have 1st or 2n gen fuel filter head. See Sir Sam's NOOB guide for the difference and how to bleed. If 1st gen would be a good idea to replace even if no air problem.
3. Check the ignition (see viewtopic.php?f=5&t=60575&hilit=ignition+switch) could be the rod from the key to the ignition switch is failing or a bad ignition switch.
4. Crank position sensor see viewtopic.php?f=5&t=64199&start=80 and viewtopic.php?f=5&t=66905
5. Bad or sticky fuel rail/fuel pressure solenoid which intermittantly won't let injectors build enough pressure to inject fuel.
6. Leaky injector(s). Look at bottom if filthy with crud and fuel you need to pull injector(s) and replace both seals. Be sure the small steel plate/shoe for the injector hold done to seat on remains in place in the aluminum head.

Absent more data this is best I can do to start.

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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

Hey everybody, sorry I took so long to get back here. Just wanted to say thanks for the
help and to let you know the crank position sensor fixed the problem.
Thanks again
Bruce