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Well, a code 43 is telling you that you have multiple misfires. The code 27 is a problem with your fuel injectors. Given this and the fact that you smell gas, I would suspect a gas leak at the fuel rail or in the line. Interrupted fuel supply would certianly cause a misfire.

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โˆ™ 2006-12-02 02:03:46
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Q: What could be wrong with a 1999 Dodge Neon that misfires when put in gear and has a very bad fuel smell inside the car and registers fault codes 27 43?
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