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Jdgardella

Buffalo, NY

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I have an ’02 with 190,000 miles The car started misfiring occasionally on takeoffs and under heavy acceleration; it has progressed over time about 3 months (10 miles a day). Now it happens almost always on takeoffs and any time the throttle is more than 1/2 way, yet it will still get up to 70mph without a problem, it just takes a while. I have multiple engine codes P0300 (Multiple Misfire Detected), P0301 (Cylinder 1 Misfire Detected), P0303 (Cylinder 3 Misfire Detected). I have checked and rechecked the plugs and wires and replaced the ignition coil as well as adding dry gas, premium fuel and injector cleaner (to rule out bad gas). I am out of ideas I don’t want to take it to Hyundai, the dealerships that I have delta with have been thieves! But that may be my only hope. Any advice would be helpful


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