88 blazer will show service engine soon light when running down road. Truck will start to stall and lights go out. Will do this on and off a half dozen times. Dosen't quite die, but when I pull over to check it, it will not start. No service engine soon light, no nothing. Will take a bit and start. Book states trouble shoot the two circuits (439 & 440), but I don't know where they are located. Any help on this would be appreciated. Everytime I think I fixed the problem, it reappears. Or if your familiar with this problem and know a fix, that would be great. Thanks for your time on this,
have the same problem?
Saturday, October 15th, 2011 AT 6:21 PM