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Can't seem to get this shit right.

Discussion in 'Performance and Tuning' started by Ironworker84, Nov 19, 2022.

  1. Nov 19, 2022 at 5:39 PM
    #1
    Ironworker84

    Ironworker84 [OP] Well-Known Member

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    From my previous posts some of you will remember I was trying to run a turbo setup on a 5vzfe. Decided I was over the headache. The motor was bad. So ordered a used motor and a supercharger. Had a shop install it. They had my shit for 5 months. Only to find out they gave up when they couldn't figure out a P0100 code. I went through all the wiring. And found a few issues I cleared up.
    Now it fired right on up and died immediately with the fucked up wiring and a P0100 code. Wiring is fixed and no more code. But now it struggles to fire up. It'll sputter and died within a few seconds. What is going on here. I've been waiting 14 months to drive my truck again with close to 14 grand in it and it just isn't going my way.
     
  2. Nov 22, 2022 at 6:18 PM
    #2
    Jon64l

    Jon64l Well-Known Member

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    Screenshot_20221122-190838_Chrome.jpg

    That sucks!
    Personally I would start the swap with a stock engine configuration. Less variables this way. Then add mods 1 step at a time.

    That aside.
    I threw a maf code because there was small vac port open on back of intake manifold after I did a bunch of work.
    Other places to look are the gaskets where the throttle body meets SC, and SC meets lower manifold. Also the boost port on back of SC needs to go to top of fuel pressure regulator. If it is "T"ed into other guages/Piggyback check those connections too.

    Also you may have the wrong Maf for your year wiring. The pinout changed from early to late model. Could also be a bad ebay counterfeit maf. I just pay the dealership for peace of mind personally.
     
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    Torspd likes this.
  3. Nov 22, 2022 at 7:57 PM
    #3
    Ironworker84

    Ironworker84 [OP] Well-Known Member

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    Good advice. Right now at the moment I am not showing any codes. I went out and bought a stock sensor and wired up the sensor to stock guidelines. I had it idling great the day before last. It would fire up no problem. But it would hesitate when given gas. As some time went by it started to struggle. Then it stalled out on me. And haven't been able to start it since. I believe I fouled the plugs big time with gas. They were soaked. I pulled all the plugs out and just added some oil in each port Incase I had stripped out all the oil with gas and can't get any compression. I really hope this works. Other than changing out the crank and can sensors I've covered all avenues. Timing seems good, Coils are good, wiring is all straight, I believe the MAF configuration is where it should be. O2 sensors are good. Unbolted the Cat with no change. I assume that's alright. I may have a vacuum leak somewhere. I'll post the vacuum line routing I have. That is the one thing that confuses the hell out of me. Mainly with the charcoal canister. The graph Magnuson sent doesn't really help me much. They didn't label shit in the graph.
     
  4. Nov 22, 2022 at 8:12 PM
    #4
    Jon64l

    Jon64l Well-Known Member

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    I'm going off memory, but if you have a black trd/magnuson SC there are 2 ports with 10mm or 3/8" hose nipples. One is for brake master cyl, the other for Evap canister line.

    This reminds me, maybe you have a bad brake booster? Engine could pull vacuum through this. Seen it along time ago.

    Pcv line? Check valve correct way? Plug brand and heat range/gap? Fuel pump new/fuse?
     
  5. Dec 13, 2022 at 7:44 AM
    #5
    Torspd

    Torspd Tor-nication

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    Any luck? Also, we recently found a similar MAF related issue in the Turbo BS thread. The member had a MAF sensor that was just a few part numbers off. Minor chance his his year model to the next. A quick search on RockAuto found that out. May not be your issue though. Good to double check.
     
    0xDEADBEEF likes this.
  6. Dec 13, 2022 at 7:48 AM
    #6
    Torspd

    Torspd Tor-nication

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    Pull the fuel pump relay or fuse, and crank the engine. Get that oil circulated back over the cylinders.

    The comment about no compression has me curious though.
     

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