Thread: Code 42 & 44
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Old 05-24-2009, 12:47 PM   #4
MT-2500
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Re: Code 42 & 44
Yes that is a good start.
But if either code comes back get a good repair manual and go threw the repair flow chart for that code.

On the lean exhaust code make sure the fuel pressure is up tp par and check fuel filter.
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