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
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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
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Cam timing incorrect?

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Old 02-04-2009, 11:49 AM   #3
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Do a compression check.
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Old 02-10-2009, 03:56 PM   #4
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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...
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