91 yj has fuel spark and air but no start - Jeep Wrangler Forum
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Old 02-03-2009, 10:30 PM   #1
Join Date: Oct 2008
Posts: 8
Thumbs down 91 yj has fuel spark and air but no start

new headgasket and now wont fire and thoughts......everything was replaced to spec except i didnt mill the head could that be the problem
?thanks for the help

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Old 02-04-2009, 10:46 AM   #2
Join Date: Sep 2008
Location: Terlingua
Posts: 265
Cam timing incorrect?

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Old 02-04-2009, 11:49 AM   #3
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Join Date: May 2007
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Do a compression check.
Are you born to resist, or be abused?

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Old 02-10-2009, 03:56 PM   #4
Join Date: Oct 2008
Location: ny
Posts: 10
u hav 4.2 right well ....spray starter fluid in the carb or iac and turn it over and if it starts then you know its a fuel problem . but if doesnt then go check compression and spark...
Louie B
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