Thread: Throwing Codes
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Old 04-30-2010, 02:22 AM
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Default Re: Throwing Codes

Most likely a bad cat. I threw a p0300 multiple misfire when my cat was bad. I bought 2 magnaflow hiflow cats from amazon for $75 each and had the muffler shop cut the old ones out and weld the new ones in for $200. Never got the code again and still pass NY inspection with flying colors.
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