S2000 Under The Hood S2000 Technical and Mechanical discussions.

Constant misfire/chugging

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Old 11-27-2010, 04:33 AM
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Default Constant misfire/chugging

So I turned the car on as normal and must have driven about half a mile before all of a sudden theres a massive loss in power, the car is chugging as well as the exhaust and the CEL light is flashing. Revs on idle were very very low.

Stuck the OBDII on and got P0303 and P1399. Misfire cylinder no.3 and a generic misfire code.

I have checked the plugs which arent too bad, slight carbon build up but nothing immense, swapped the coil pack over to no effect.

The car starts and and the chugging begins, you then hear a noise and then it chuggs really badly.

Any ideas ?
Old 11-27-2010, 08:32 AM
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