Posted by Brad Gyde on December 04, 2011 at 09:11:28 from (50.36.119.5):
Ok, so a few days ago I asked what would make my truck do the things it's been doing (hard starting was one of the issues).. I wasn't looking for hard starting solutions then, but I am now.. I've done everything I can think of at this point.. And tried most of the hints from last time.. What I've found so far:
Turns out one of the 10 month old batteries was junk (so as the girlfriend says, it matches the truck LOL).. I got my battery warrantied, no troubles.
I talked to my diesel repair man Friday, he advised adding lubricant to my fuel and see if that helps solve my fast decel stall issue.. He also advised me to change out my return line check valve to help cure hard starting.. turns out yes, the old one appears to be bad, but the new one seemed to change nothing noticeably. He said it was common for fuel to bled back through the return, and with the old one, I'd say that could surely have been happening.
I have checked my glow plugs, controller, and glow plug harness per the manual I have.. All check out fine, per the book.. (but I have a brand new set of glow plugs in possession.. just can't see putting them in if the old ones check fine)
I HAVE NOT installed a check valve in the supply line, per the advice of Juniur last time, but the check valve will be here tomorrow, and will be installed, unless I can find another solution to the hard start problem.
Fuel leaks was another thing I was told to look for.. I found a small drip Thursday, so, I popped off the line, replaced the rubber "grommet" and now the leak seems to have gone away.. PERFECT! See no other locations showing visible signs of leakage.
But, if the truck sits overnight (or say 7-8 hours) it's not going to start without a fight.. It'll crank and hit once or twice right off the bat, then nothing.. then finally, I'll get visible smoke from the tail pipe, then eventually (usually after cycling the plugs one more time) it'll hit a couple times, start, big amount of smoke, and it will rev quite high, run rough for a minute, then level out and run fine.
I've decided it is likely a fuel problem.. Sound right? At this point, where should I begin to look? Is there a way I could slightly pressurize the fuel system to check for leaks? (I have a fuel cap we made up years ago to pressurize a tank in a combine that would lose it's prime sitting all year, give it 5 lbs or so, crack a injector line or 2, wait for fuel, then would be good to go)
I've made this post long enough.. any questions to what I did testing wise, I can explain.. Open to suggestions on what I might have missed.. Or what else I can try.. I've done just about everything possible per the book, nothing seems to change. Thinking I either have to be losing prime somewhere, or the IP is going.. but if that were the case, seems like I'd have troubles all the time, not just starting.
Thanks in advance for reading yet another novel.. And sorry for my testiness last post.. These things seem to get way off in outer space, and that usually don't help find a solution..
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