Howdy Larry
First you might try posting over in the CRD section - gets more attention.
Liberty CRD...Love that Torque!!
Sir Sam's Noob guide is a great read
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?p=604519#p604519- but probably won't answer the no -start
First - dealerships are generally clueless - your's sounds like money hungry too
there are specific tests on the injector pump - if they haven't run those - they can't say it's an issue.
Are you running the original battery? - on these beasts you have to have the voltage to turn on the computer, having the current to turn the engine doesn't count - different things.
also the original fuel head leaks air - has yours been replaced with the new style??
next time it has a problem starting - pump the fuel primer and see if it's hard - if there's air - it's leaking.
And Welcome to LOST
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2005 CRD
stuffSkeptic quod gratis asseritur, gratis negatur