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Discussion Starter #1
When i first start my 99 24V Cummins i get no oil pressure for the first 5 seconds or so after its fired up.

Whats the deal is this normal?
 

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Don't know if it's normal but my 97 does the same thing.
 

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got a 98 12v does exactly the same thing 198,158 miles later :w:
 

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my 91 does that too! Screwy sender maybe?
 

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I worked on an 03 for a guy that was having the same type of issues ( but lasting a little longer) after beating my head against the wall for a while i decided to pull the oil pan. i found a crack on the oil suction tube where it bolts to the block. I replaced it and have had no further problems. Yours may be cracked or it may be loose. If it is loose it will also cause oil pressure issues.
 

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As long as you get oil pressure within the first 10 seconds of the engine starting I wouldn't worry about it.
 

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Discussion Starter #7
thanks guys!!
 
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