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Ford 83-94 6.9 and 7.3L General Discussion of 83-94 6.9 and 7.3 Liter Ford Diesels

sucking air

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  #1  
Old 01-15-2011, 07:50 PM
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Default sucking air

1987 f250 with dual 5inch stacks and a glasspack.its sucking air from somewhere
 
Last edited by stackboy6.9; 01-15-2011 at 07:54 PM.
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  #2  
Old 01-15-2011, 08:49 PM
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How much timing advance on the IP??????
 
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Old 01-15-2011, 11:02 PM
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i woukldnt say it is sucking air. timing is advanced for sure.
 
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Old 01-16-2011, 12:48 PM
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the pump is turned up quite a bit.only reason why i said its sucking air is cus thats what my dad said.i just want to know why it starts up like crap
 
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Old 01-16-2011, 03:16 PM
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do any of your return lines leak?

also the timing being advance will cause hard starts.
 
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  #6  
Old 01-16-2011, 06:09 PM
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no none of them leak.sometimes it will start up and die other times it just starts like crap or it starts with no problems
 
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Old 01-16-2011, 08:51 PM
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yes, fuel issue. somewhere u have a leak.
 
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Old 01-16-2011, 09:01 PM
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alrite i will double check everything
 
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