Random Misfires (Code P0300)
Aug 12, 2008, 06:38 PM
#1
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Random Misfires (Code P0300)
So I was on my way to Formula D last weekend and my CEL just pop up. got it scan today at work and it was the random misfires.
should I change my plugs? the car only have 33000 miles on it.
should I change my plugs? the car only have 33000 miles on it.
Aug 13, 2008, 03:24 AM
#6
dont use the maf cleaner it freaks the karmen sensor out inside of it, you might be one of the lucky people that get the P0300 code like me. if you are its a ecu issue not an actual code and the only sure fire way i have found to get rid of it is to go with a AEM
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Aug 13, 2008, 01:04 PM
#10
Factory plugs should be good for 50k+ miles. That's why they're iridium, factory claims 100k miles before they need to be replaced. I'd also check out the bigger picture, is your A/FR's and timing both ok? Drive the car a bit spirited, and while it's revved pulling to a stop (3,000rpm or so) shut the key off so they're 'hot' When you pull the plugs if they're overly damp (blackish) but it's still liquid, you're just running rich. If they're white you're way lean, if they've caked black your burning oil.
