Replaced my plugs a couple weeks back. started to get a miss a 3500 rpm. Two terms on my coils were rusted , I purchased MSD coils and wires from 3800 pre. During that time of running bad my maf sensors went bad it also gave me a bad O2 sensor code, replaced the maf sensor and the O2 sensor code went away it runs like a raped ape plus gas mileage has gone up . Attention to detail is big.
Didn't realize how bad my car was runnig
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