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Gabrielwakesetter

Problem With Error Code Spn:4238 Fuel Trim Short

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Gabrielwakesetter

Hi,

After my boat overheated and had to replace the manifold exhaust I got this error. Not sure if it is connected the replacement or not. Has any of you heard about it before?

SPN:4238 FMI:0 028FuelTrimShort

Data Valid But above Normal Range

I replaced only one manifold and the boat (wakesetter VLX with a monsoon 350 year 2010) has 1050 hours. Is it time to replace the fuel pump?!?! any ideas? heard anything like that before?

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Gabrielwakesetter

Can it be because the catalyst is new?

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Wayne

Check to make sure the wires are connected to the correct oxygen sensors. The connectors are the same for up and down stream but they are labeled differently. Its possible to mix them up if you are not paying attention.

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Gabrielwakesetter

Thank you. will do.

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SmoothWaterMan

Typical fuel trim issues include bad sensors, vacuum leaks and exhaust leaks.

Peter

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Nitrousbird

1050 hours on a 2010? WOW, that's a lot of use!

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