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dead cylinders 2 and 5

  1. General Mustang Tech
    I bought a 1991 mustang lx with a 5.0 H O. I checked firing order did a compression test and checked injectors replaced ecm and all checked ok but still not working. The guy I bought it from said it was running fine until he knocked a hole in the muffler. He replaced it but no change. I also...
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