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Past Oil Change = Engine Dieing

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  #1  
Old 11-06-2009, 09:59 PM
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Default Past Oil Change = Engine Dieing
So 2 guys i know if they go past there oil change intterval there truck will be going down the road just fine than act like its running out of fuel and die , worst when the truck is not pluged in during cold weather , as soon as they change the oil and filter there trucks are fine , whats up with this?
 
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Old 11-06-2009, 10:01 PM
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welcome to the HEUI injection system...the oil is getting thinned out and not building the right pressure to fire the injectors...
 
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Old 11-06-2009, 10:02 PM
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Oil pressure sending unit bad?? Should be setting a code or codes and illuminating the CEL.
 
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Old 11-06-2009, 10:04 PM
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Originally Posted by stkdram55
welcome to the HEUI injection system...the oil is getting thinned out and not building the right pressure to fire the injectors...

Too thick when it's cold to fire??
 
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Old 11-06-2009, 10:06 PM
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Could have an HPOP leak too...
 
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Old 11-06-2009, 11:03 PM
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sounds like an hpop leak to me
 
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Old 11-06-2009, 11:11 PM
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Whats that?
 
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Old 11-06-2009, 11:15 PM
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the high pressure oil pump it is used to fire the injectors
 
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Old 11-06-2009, 11:18 PM
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is this issue intermittent ?
 
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Old 11-06-2009, 11:21 PM
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it could be a seal that is only leaking when oil loses it viscosity
 
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