Ok people, the 98 started running shit a few weeks back at random intervals blowing black smoke. So i changed the AFM. And the oil guessing there'd be some fuel in it.
Car went sweet as for about a week or two but now when it starts, the revs will vary from 1-2k for about 10 seconds then the car dies. But it tries very hard to keep running. Ie, doesnt just stop, it'll fire every now and then til it stops completely.

The whole time its playing this game, the POWER light (its an auto) is flashing, which is something I've never seen. And the CEL is on the whole time.

She's stock bar exhaust and BOV, the BOV is fine as i checked it over when the AFM problem first started.

So can someone tell me how to check the CEL code on a 98 and also what might be causing the POWER light to flash?

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Balls.