PCM Diagnostics & Tuning - SES light...not on at all



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Rollmodel
08-19-2005, 09:16 PM
About two weeks ago my SES light came on, throwing codes p1416 and p0420, i replaced the air check valve, and the light went off a few days after that, but now when i start the car, and all the lights on the dash light up and then go out the SES light does not come on at all....anyone know what im trying to say, and know why, is it just the bulb for it? any ideas?

-Justin

Platinum WS6
08-20-2005, 09:13 AM
most likely just the bulb
2001NBMZ28
08-20-2005, 01:09 PM
Yeah, it should come on as a test when you turn the key on. Just for the heck of it you can try pulling the AIR PUMP fuse, won't hurt anything and should throw a P0412 code and set the light after a couple cold starts.