I am back again. Sorry. Well I did a major tune-up including all three coils about eight months ago. I replaced also I think it is called the EGR. Today I replaced the air filter, MAS, both o2 exhaust sensors. Still getting the random misfire code. It runs very rich. Could it be a bad injector? Any help would be greatly appreciated. Thanks
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Monday, September 4th, 2017 AT 5:31 PM