I have 05 Lincoln Aviator AWD V8-4.6L DOHC. Recently the car has been popping a P0306 and a P0316(cylinder 6 misfire). I replaced all the the spark plugs, checked the gap on each plug, and replaced cylinder 6 ignition coil. When I clear the codes with my AutoScanner diagnostic tool, it comes back after about 20 miles or so. I also checked the wire harness going to cylinder 6 fuel injector and everything was fine. I doubt it is the fuel injector itself, but I don't know I put some fuel injection cleaner in my car yesterday and drove it for a while, still same problem! Any advice would be greatly appreciated.
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Friday, March 13th, 2009 AT 2:29 PM