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Kansas mechanic suggestions for 4Runner?

Discussion in 'Mid West U.S.' started by FirstGen874Runner, Oct 28, 2023.

  1. Oct 28, 2023 at 7:29 AM
    #1
    FirstGen874Runner

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    FirstGen874Runner [OP] New Member

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    Hello! I'm in Kansas and south of the Kansas City metro area and need help with First Gen 4 runners. I've had three 4runners and recently went and reacquired my very first one that has been sitting under a tree for nearly 20 years. It's a 87 2.4L and the engine has been rebuilt and it will briefly start but the injectors won't open. I've tried 3 ECMs, the original, one bought off a running 4runner and one from Rock Auto (Blue Streak) and that hasn't worked. The wire harness has been checked over and repaired and that hasn't worked. I need some help finding a mechanic experienced with 1st gen 4runners. If anyone knows any in the area, please let me know! Also if anyone knows where i can get a new wire harness for this model that would be great. Thanks in advance!
     
    Last edited: Nov 13, 2023
    FirstGen874Runner, Oct 28, 2023
    #1
  2. Oct 28, 2023 at 7:45 AM
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    Ironguy

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    Ironguy New Member

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    Ironguy, Oct 28, 2023
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  3. Oct 28, 2023 at 7:50 AM
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    FirstGen874Runner

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    FirstGen874Runner [OP] New Member

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    Thank you!
     
    FirstGen874Runner, Oct 28, 2023
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  4. Oct 28, 2023 at 8:16 AM
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    JET4

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    JET4 Old Member

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    welcome
     
    JET4, Oct 28, 2023
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  5. Oct 28, 2023 at 12:30 PM
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    DesertSurfer

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    DesertSurfer, Oct 28, 2023
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  6. Oct 28, 2023 at 1:13 PM
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    Dabigono

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    Dabigono Just Joined

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    Double check all the grounds
     
    Dabigono, Oct 28, 2023
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  7. Oct 28, 2023 at 5:14 PM
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    Steely123

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    Steely123 What's the new trend? I'll do it!

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    Steely123, Oct 28, 2023
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  8. Nov 1, 2023 at 3:22 PM
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    FirstGen874Runner

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    FirstGen874Runner [OP] New Member

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    Thanks Dabigono. I had a mechanic double check all the grounds but i'll do it again and hopefully that will lead somewhere.
     
    FirstGen874Runner, Nov 1, 2023
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  9. Nov 1, 2023 at 6:09 PM
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    RumHamRunner73

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    RumHamRunner73 Dead on with a zero

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    RumHamRunner73, Nov 1, 2023
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  10. Nov 1, 2023 at 8:08 PM
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    K-Paul

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    K-Paul Looking for a water crossing

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    Never heard of the Kansas Metro area -- I presume you mean Kansas City
     
    K-Paul, Nov 1, 2023
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  11. Nov 2, 2023 at 2:23 AM
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    Steely123

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    Steely123 What's the new trend? I'll do it!

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    Steely123, Nov 2, 2023
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  12. Nov 2, 2023 at 7:33 AM
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    UofLCardfan77

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    UofLCardfan77 Large Member

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    UofLCardfan77, Nov 2, 2023
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  13. Nov 13, 2023 at 7:55 AM
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    FirstGen874Runner

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    FirstGen874Runner [OP] New Member

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    All the grounds looked good. no luck there.

    Yes K-Paul, i meant the Kansas City Metro area. I'm a little south of there.
     
    FirstGen874Runner, Nov 13, 2023
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  14. Nov 13, 2023 at 9:11 AM
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    MI-FL off roader

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    MI-FL off roader T4R Hobby/Addict

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    The video is from an 88' I sold a few years ago. I had a warm start issue that I couldn't figure out. I did find a hack by unplugging the AFM (also replaced with reman) and then reconnect quickly after starting.
    Anyway, I throw this scenario out there because your AFM may not be sending the right signal to the ECM. Also, could it be a corrupted cold start injector signal? I never got good at working out the little quirks of the 22re, but it was a fun little truck.
    https://youtu.be/_oGMqwpFo2A?si=b_AV04c4SpJHTpeI
     
    MI-FL off roader, Nov 13, 2023
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    K-Paul and FirstGen874Runner[OP] like this.
  15. Nov 22, 2023 at 7:22 AM
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    FirstGen874Runner

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    FirstGen874Runner [OP] New Member

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    MI-FL off roader - Thanks for the recommendations! I tried unplugging the AFM and that didn't work. I'm new to this...any tips on how i determine if it's s corrupted cold start injector?

    Can anyone recommend how i test the ECMs to see if they actual work? I have 3 now and won't to rule them out as the potential issue...
     
    FirstGen874Runner, Nov 22, 2023
    #15
  16. Nov 22, 2023 at 7:47 AM
    #16
    MI-FL off roader

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    MI-FL off roader T4R Hobby/Addict

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    I was thinking maybe you could test the AFM to see if it's working properly. My video was meant to show you how finicky they are, sorry for the confusion. Would have been great if it worked lol. I was thinking that there might be a ground wire or secondary signal wire coming from the AFM or the Cold Start Inj. that might not be making it to the ECM. I never really got any farther than me tinkering around trying to fix it.
    I researched IH8MUD for quite some time and threw several parts at it to get it to run right in the begining, but couldn't figure out the warm start problem.
     
    MI-FL off roader, Nov 22, 2023
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    K-Paul likes this.
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