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  1. B

    help again!!!

    no i turned up the idle and it runs fine at times and horible at others
  2. B

    help again!!!

    i dont know what caused the problem the truck had many problems befor and ive been working threw them but is there any way to know my ecm is the right one and is there anyway test it
  3. B

    help again!!!

    anyone got any ideas?
  4. B

    rough idle on 89 BBC

    how did you adjust your regulator?
  5. B

    help again!!!

    doesnt the prom keep alll the info?
  6. B

    help again!!!

    not that because i tried one that a freind of mine pulled off his running rig and also bought a new one so i doubt thats it also fogot to tell you all its a 1990 with a 5.7 tbi
  7. B

    help again!!!

    ok the problem im having is that the truck runs and idles up and down until i unplug the map sensor or unhook the vaccum line to it. Then it idles fine and will run i dont understand the problem? Every sensor on the engine is new along with a new ecm and the head gasket was recently done idle...
  8. B

    help!!!

    It was my ecm was bad i replaced it and it works fine now. has anyone had the same problem? i was tracking down the problem and found no hot came outta the ecm when the key was on. replaced it and it runs fine
  9. B

    help!!!

    replaced the sensor stil nothing
  10. B

    help!!!

    so todat i hooked everything back up after pullin my tank and it got fuel to the then didnt i toook a testing light and checked the connection to the pump and when the key was on the light was real dim and blinking from time to time any ideas
  11. B

    help!!!

    yes and is there only one of them? the one for the gauges works fine. oh i tested the fuse just with a 12 volt light and one of the treminals the fuses plug into light up as a ground is this normal?
  12. B

    help!!!

    still cant figurew it out
  13. B

    help!!!

    no i am not gettin any power to the pump so its not a pressure problem
  14. B

    The Stupid Engine Questions Thread

    wheres the ecm b fuse located in a tbi engine or is it the fuse that says ecm/ign on it?
  15. B

    help!!!

    im tryin to get this thing back on the road nything helps
  16. B

    help!!!

    ok besides those senting units i wannta make sure i have all grounds right. and eliminate all other options so locations of all the grounds that it could be would be great. and why would that sending unit go out just because a blown intake manifold gasket it seams strang to me am i missing...
  17. B

    help!!!

    ok thank yalll for the tips illl order the senors tonight and the confusion about the small amount of fel i gave it is fuel ai poured direct into the tbi
  18. B

    help!!!

    i did that and my filter and injecters are not clogged. i believe its somthing in the power gettin to the pump. is there something im missing in the wiring of the pump that would just go bad. i checked wires and couldnt see anything and i checked all my grounds there all good. i put a tester on...
  19. B

    help!!!

    this truck is 1990 gmc k1500 with a 5.7 liter Ok... so i had a really bad leak in my intake truck ran for a bit i shut it off and was gonna just run it to pull it in the bay of an auto shop didnt start.. figured it was something to do with my intake manifold gasket.. got it all fixed truck would...
  20. B

    heads for carbed 350 on tbi engine?

    hi i have an engine question i have a set of heads of a carberated 350 and would like to know if i could use them on my tbi set up
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