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  1. M

    Oxygen sensor

    Will work on getting pictures and part numbers
  2. M

    Oxygen sensor

    yes yes I’m trying to connect the o2 sensor existing wire that was single wire to the new o2 sensor I have that goes to my atomic msd EFI I swapped to carb to EFI the only issue is that I have a check engine light for an O2 sensor most likely because my o2 sensor wire is not connect so I’m...
  3. M

    Oxygen sensor

    The old one used to be single wire only
  4. M

    Oxygen sensor

    I have an 86 GMC Sierra that I just converted to EFI with an atomic MSD 2910 but I need to connect my O2 sensor. I need help splicing in the new provided oxygen center to my original wire coming from the computer. Seems like it’s running pretty bad the check engine light came on throwing a code...
  5. M

    TPS sensor wires

    Ok that’s makes sense So with that being said I need to do the following splice in to my tps signal wire that should be (blue) and splice in to my ground reference wire that should be (black)
  6. M

    TPS sensor wires

    Yes sir
  7. M

    TPS sensor wires

    86 gmc sierra 5.0 4 barrel carb
  8. M

    TPS sensor wires

    Hey guys,I have a 86 gmc sierra 5.0 4 barrel carb I need help identifying my TPS wires going into my sensor I need to know which one is the TPS signal and which one is the ground wire? Can you help me please?
  9. M

    12v ignition switch source

    I need help finding a firm 12V ignition switch source to to connect my electrical fuel pump and my atomic msd efi does someone know where I can get a good connection from and please point it out
  10. M

    Fuel injection conversion

    I was looking into this one since you mention in it it’s interesting since it can connect to the tps the mixture control solenoid but what about the esc
  11. M

    Fuel injection conversion

    No not at all thanks for your help
  12. M

    Fuel injection conversion

    I don’t need it to be smog complaint I want to know if the TPS needs to be spliced in to the fintech and the ESC still need to be connected thank you guys for your help
  13. M

    Fuel injection conversion

    I’m also worried about that what should I do with that connection since my distributor does have that connection
  14. M

    Fuel injection conversion

    Has anyone installed a fintech 30003 on a gmc Sierra 305 v8 or similar I have an issue that my carb is electronic and has a electronic tps sensor what do I do in this case do I splice in the wire or what should I do
  15. M

    EFI conversions

    This truck is in a different state does not need to be smoke complaint
  16. M

    EFI conversions

    i have a 86 gmc Sierra 5.0 it’s bone stock but I want to convert it My carb is running like **** it needs a rebuild and rather just convert my only issue is that my truck is California emissions and also has a tps sensor on the carb and on distributor it has a 4 pin connector was wondering do...
  17. M

    86 gmc sierra ICM connector

    im tryimg to find thiss harness please helpess connector that connects from the ICM to the EST HARNESS
  18. M

    86 gmc Sierra bogging no response

    Fuel pressure is 6psi with new pump
  19. M

    86 gmc Sierra bogging no response

    so my truck started with this issue when cruising at normal speed and flooring it it just bogs down doesn't die tho. if you stop at a stop sign floor it it only bogs down no response. About 1 month ago CEL was on i replaced the TPS (Acdelco) was working very good then i left the truck parked for...
  20. M

    Rough idle

    Yes still does original ones Im not sure of any exhaust leaks only the cat does look like it might have a leak when I hit it with a rubber hammer it releases dust in the middle of the cat
  21. M

    Rough idle

    I tried adjusting the air/fuel mix screws it felt better but I still feeling a little rough I did a vacuum smoke test and no leaks detected
  22. M

    Rough idle

    I replaced it like 12k miles ago
  23. M

    Rough idle

    Yes it’s it’s 100% stock with a brand new original carb I found a carb 0 miles from a GM plant that was throwing away new parts
  24. M

    Rough idle

    It’s broken and I can’t find the correct one
  25. M

    Rough idle

    I have an 86 GMC Sierra 5.0 I’ve noticed it idles kind of rough when stopped I replaced the spark plug to some acdelco rapid fires#1
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