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P0304 and P1174 cod...
 
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P0304 and P1174 codes on my 2008 Isuzu i370

  

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Scotty I have a 2008 Isuzu i370 with a 3.5. 5cylinder with automatic trans and 105000 miles on it. Replaced intake manifold gasket,spark plugs #4 coil but still getting codes p0304 and P1174. What should I do? It cost $800 for the gasket install at Gmail dealership I don’t want to put much more money in it. Any help?    Tks. Bob


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Well if you ever need to Clarksville I diagnosed him free. But you can get a misfire for many reasons you could have a bad fuel injector you could have bad computer driver circuit you could have a blowing head gasket you could have a bad valve and engine whole bunch of things can cause misfires


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