Quote:
Originally Posted by Shownomercy
Yea but if its not 02s, then you will ruin the new ones unless you figure out why its running weird...
I thought random misfire was a CPS failure?
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Not necessarily, I replaced that as well and still got the P0300. Remember, the P0300 can start as a specific cylinder and then after multiple misfires on that cylinder will change to P0300. I actually saw the specific cylinder pop up one time before changing to P0300 so I swapped plugs and injectors with another cylinder and still had the problem. When my SES light would flash because it was happening, the car was running perfectly. So I think the 96 cars have an oversensitive computer. I think it reads a slightly lean condition and translates it into multiple misfire. Your car not starting when hot may not have anything to do with the misfires but a vacuum leak could through it off enough to mess up the mixture.