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Jeep Wrangler YJ
YJ General Discussion
Possible carb vacuum leak
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<blockquote data-quote="Flyer58" data-source="post: 426326" data-attributes="member: 18629"><p>You really need to pull out the spark plugs and check for color or oil and then clean and re gap them. They tell a lot about the mixture and engine condition. Look online for a plug comparison chart to see if it's running lean or rich or some other condition. Then drive it around for a while as you normally would and check them again. Sometimes letting it idle for 15 minutes will give them a false color with high carbon that's not accurate.</p><p></p><p>Here's a chart:</p><p></p><p>[ATTACH=full]116104[/ATTACH]</p></blockquote><p></p>
[QUOTE="Flyer58, post: 426326, member: 18629"] You really need to pull out the spark plugs and check for color or oil and then clean and re gap them. They tell a lot about the mixture and engine condition. Look online for a plug comparison chart to see if it's running lean or rich or some other condition. Then drive it around for a while as you normally would and check them again. Sometimes letting it idle for 15 minutes will give them a false color with high carbon that's not accurate. Here's a chart: [ATTACH type="full"]116104[/ATTACH] [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Possible carb vacuum leak
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