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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

90 4Runner won't start

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Old Dec 6, 2008 | 09:03 PM
  #21  
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And I thought that might be the case too, but I've checked the timing several times as well and it seems to be dead on. I've even tried the old-school method of twisting the distrubutor back and forth slowly while cranking and nothing has changed.
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Old Dec 6, 2008 | 09:07 PM
  #22  
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From: Temecula Valley, CA
Are you're shorting out the TE1 and E1 terminals in the diag connecter in order to get it running?
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Old Dec 6, 2008 | 09:08 PM
  #23  
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From: Temecula Valley, CA
yeah, I'm grabbing at straws (for the moment)
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Old Dec 6, 2008 | 09:09 PM
  #24  
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No. Isn't that just used to check the engine trouble codes? How will that help it run?
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Old Dec 6, 2008 | 09:09 PM
  #25  
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From: Temecula Valley, CA
are you using a timing light? something that may show which way you are out?
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Old Dec 6, 2008 | 09:10 PM
  #26  
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From: Temecula Valley, CA
accurately setting ignition timing requries putting the ECU into a 'fail-safe' mode by jumpering the connectors mentioned above
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Old Dec 6, 2008 | 09:14 PM
  #27  
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I've tried that too. I'm not convinced that it's timing. Obviously, that timing light on a cranking engine isn't ideal, but it did show #1 sparking on 0 degrees.
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Old Dec 6, 2008 | 09:14 PM
  #28  
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ah... That I did not know. That may explain why it jumped around a bit.
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Old Dec 6, 2008 | 09:17 PM
  #29  
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Odd though, none of my info said to jumper the diagnostic port to check timing. I've had to do it on other vehicles, but This one didn't tell me to do that. I'll try it though. Anything if it means this thing'll run...
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Old Dec 6, 2008 | 09:20 PM
  #30  
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Sure enough, now that you mention it, I just found that info online. Thanks! I'll give that a shot.
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