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Discussion Starter · #1 ·
Three questions: 1. If I buy another FSU from the stealership, isn't it just gonna go bad within a couple of years like the first one? 2. Some online parts vendors are selling an FSU repair kit - is it worthwhile to repair the damn thing or just replace it? 3. Apart from the stealership, who else sells new direct-replacement FSUs?
 

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Just get a new one from st. charles isuzu, or from your dealer if they can match prices. The FSU its self doesnt cost very much and you actually get 2 of them in the box because they changed the plugs. If you're going through the trouble of dropping the tank might as well go with new and not a "repaired" one that might work.

The main cause of failure is sulfur in the fuel reacting with the contacts causing them to wear quickly (from what I've read). The EPA is mandating much lower sulfur levels over the next few years, which started this year, so they should last much longer. Right now different areas of the country have different standards, some are over 300 PPM sulfur. By 2008 everyone has to be a max of 30 PPM.
 
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