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wes888

Alarm - CL High Gasoline

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wes888

Anyone know what this means?

Full alarm is:

CL HIGH GASOLINE BANK1

SPN:4236 FMI:0

Thanks!!!

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skurfer

Bank 1 pre cat O2 sensor in the exhaust manifold. If v-drive, port side of boat. Most likely it's getting wet. And there is a reason for that. Check to make sure the v-clamp is tight, pull the post cat sensor and make sure you can see the honeycomb Cat brick. They go missing a lot then you need a new Cat pipe under warranty. Also want to check the alignment to Y-pipe from Cat pipe. In some cases exhaust manifold nuts are also loose. Have to tighten them, the ones facing the bilge are a PITA to get to.

Edited by skurfer

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