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Old 01-12-2014, 07:47 AM
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Lpop question

Need a little help, my truck when cranking to start doesn't build oil pressure. When it kick off and runs for a few seconds then the oil pressure builds and it runs fine. It's better now I went to synthetic but if it doesn't catch right runs the hpop out of oil and becomes a pain to refill and start. Is that my lpop going bad or something else need to look at?
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Old 01-12-2014, 08:07 AM
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Sounds like a possibilty of worn gears on LPOP if HPOP isnt being filled , Front cover could also be scarred letting oil seep back down. you really need to get LPOP readings to confirm it's reliabilty and move forward from there.
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Old 01-12-2014, 08:10 AM
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Thanks. I have an edge insight and the oil pressure numbers. What should they be when at idle?
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Old 01-12-2014, 10:50 AM
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10 psi at idle , 40-70 at 3300. Does the insight monitor low pressure #'s ?
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Old 01-12-2014, 10:56 AM
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Quote:
Originally Posted by scagle1 View Post
10 psi at idle , 40-70 at 3300. Does the insight monitor low pressure #'s ?
Actually its more like 50psi at idle and up to 100 when revving
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Old 01-12-2014, 11:03 AM
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This will help diagnosis the LPOP Diagnosing a 7.3 no start

Just read the part about hpop reservoir
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Old 01-13-2014, 06:24 AM
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Thanks for the help, it's getting a little aggravating when starting the truck.
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