when i turn on my car in the morning its idles high then drops down then high then down then dead........i know its not my oil and not timing or tps just wondering what else it could be........not necesissarily only on cold start but usually then........the motor is a B20B stock and slow.......any advice would be great

 

when was the last time u changed the fuel filter?

 

once......only has 1k miles on new everything (B20B motor) swap