Strange noise at start up. - Ford Powerstroke Diesel Forum
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Old 02-20-2012, 07:54 PM
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Strange noise at start up.

Hey guys, looking for a bit of insight. I have a 2000 f250 4x4 PSD with 258k miles. When I start the truck it sounds like it has no oil in it and then it quiets down after about 5-10 seconds of running. I have good oil pressure and I just had it changed. I do have a very strong fuel smell after driving, so I know I have a fuel leak. I'm ordering the O ring kit for the separator tomorrow. also sometimes when I start it, the rpm's bounce like its going to die, then it levels off.

any ideas?
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Old 02-20-2012, 08:06 PM
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HPOP reservoir could be leaking down, your LPOP has to refill the reservoir for the injectors to have enough oil to function properly. or HPOP is getting weak?
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Old 02-20-2012, 08:09 PM
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Oh yeah, the truck does have a minor oil leak. I had the dealer fix it about 100k miles ago but it might be time to replace the hpop O rings again...
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