Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
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Back fires through throttlebody

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Old 08-05-2018, 07:18 PM
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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Originally Posted by Robert Campbell
i cant drive it because it still idles rough and backfires. I went through the timming again and its dead on from last time i timmed it. And as for the injectors and ports i just sprayed them with carb cleaner really good.
Put a set of injectors in it. jhc7399 here on CF has rebuilt ones.
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