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No start after throttle body port

This is a discussion on No start after throttle body port within the General Help forums, part of the LSx Technical Help Section category; Today I had my throttle body ported and installed. I went to crank it and thats all it did. Everything ...

  1. #1
    Car RamRod 98Camarod's Avatar
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    No start after throttle body port

    Today I had my throttle body ported and installed. I went to crank it and thats all it did. Everything was hooked up and the blade opened smoothly. WTF

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    MAF sensor plugged back in?

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    Car RamRod 98Camarod's Avatar
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    Yes, everything was plugged back in. I am not getting any fire now. Any ideas? I checked all the fuses I could find and all were good. Any fusable links that might have happened to burnt or hidden fuses for coils?

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    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Battery just crap out?
    Can't think of much that can go wrong if everything got connected properly.

  5. #5
    Car RamRod 98Camarod's Avatar
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    It cranks over strong, It is not getting fire.

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    Slow'er'Ass Mr. Luos's Avatar
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    When you turn the key to the on position...can you hear the fuel pump prime?

    Are you getting spark?? What if you try to turn it over with a plug wire off?
    2008 Trailblazer SS
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    Grand Imperial Wizard Sarge's Avatar
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    Retired Outlaw Sum Bitch

    Did you dissconnect your negative batter cable before the swap? If not you most likely blew a fuse....which one...who knows.....check all of em...

  8. #8
    Car RamRod 98Camarod's Avatar
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    I checked all the fuses, there are three spots, two under the hood and one in the compartment and I didnt find anything. There is fuel pressure and everything is hooked up correctly. There is no spark though, blows my mind.

  9. #9
    Car RamRod 98Camarod's Avatar
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    I cleared the pcm and rechecked the fuses and now I do not have power to the eng ctrl and others in the second box. There is no power going to the bottom either. WTF? There are only a few fuses in the box that have power, the pcm ign and the 10a fuse. WTF? how do they receive power then?

  10. #10
    Senior Member Redphoenix1998's Avatar
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    check all your ground straps for that box, there should be one that goes to the backside of the alternator. Check and clean the positive battery cable that connects to the fuse box as well

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