ok it is po401 and now it wants too die on me when im driving it down the road then sputter if it dnt die out.when it does it wont start up easy and my gages has a mind of its own when that happens.
1998 mazda b400 bad idle someone please help
i have replaced egr,vacume hoses,wires and plugs and still runs lean and idles rough,and replaced my upper o2 sensors.what else can i do?