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HAVOC
06-05-2008, 06:51 PM
Ok just to start the only modification on my car was a dealer install mazdaspeed cai at about 5k miles. I currently have about 19.5K miles on the car. Cleaned air filter at 19K problem happened before and after cleaning.

This problem has happened about a 4-6 times over the last 2-3 months. I will hit the gas and the car stutters like a gas clog problem and then dark smoke from the exhaust spews out. Then car is ok for a while after this. Anyone know what this is? bad gas, turbo issue, fuel filter?

Thanks
Greg

SharkDiver
06-05-2008, 07:25 PM
Have you had all the TSBs done?You may also have bad gas but who knows.