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Misfire on lx289

Engine runs uneven at full throttle

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: Misfiring

If you are getting a lot of misfires and you know everything is good (i.e. spark plugs & wires, etc...), you may want to check the cat converters as one may be plugged. you can use the front O2 ports to check this.

Posted on Jun 06, 2009

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SOURCE: Triumph America 2006 9000k. Cold

Hello and welcome to FixYa!

Have you tried replacing the spark plug wires and checking the spark plugs? I suspect that you have fuel flooding that's why it backfires. Good current to the spark plugs will result to better fuel burning. Check the spark plugs if they have big gaps, covered with carbon or maybe it's just faulty.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Jun 14, 2011

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If you are getting a lot of misfires and you know everything is good (i.e. spark plugs & wires, etc...), you may want to check the cat converters as one may be plugged. you can use the front O2 ports to check this.

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