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

Starting issues, very weird

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Old Oct 3, 2010 | 05:03 PM
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From: Pearland, Tx
Exclamation Starting issues, very weird

Alright my truck hasnt been starting when its cold. So i tried to take the cold start injector time switch connector off and it pulled the insides of the switch out. Well there are two metal prongs. If i jump from one prong to the positive of the battery it makes the cold start injector click. If i jump the other prong to the battery it turns the motor over. Well i jumped the one which makes the injector fire and then turned the key and it started, runs good if i dont give any gas, if i give gas it backfires and misses and dies sometimes. I disconnected the jumper and it runs good for a little bit and then dies. Any ideas or suggestions?
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Old Oct 3, 2010 | 05:12 PM
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From: Pearland, Tx
seems to be loosing all fuel when i disconnected the wire
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Old Oct 3, 2010 | 05:23 PM
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From: Pearland, Tx
am i just bypassing the switch when this happens? Can i run it like this for a while till i get a new switch?

getting a video up in a few minutes

Last edited by 95blackToy; Oct 3, 2010 at 05:36 PM.
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Old Oct 3, 2010 | 05:43 PM
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From: Pearland, Tx
http://www.youtube.com/watch?v=qoEMxAAlN6Y

running at about 500 or less rps, then i give it gass and play with the throttle and it misfires and runs so bad there is no way you could even drive it. then at about 0:48-0:50 i unplug my jumper and it runs then dies.
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Old Oct 3, 2010 | 06:04 PM
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From: Pearland, Tx
nothing?
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Old Oct 3, 2010 | 06:37 PM
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From: Pearland, Tx
next time i tried it started right up without jumping it but would die after about 10 seconds, i jumped the fuel pump ports in the diagnosis box to make the fuel pump run and tried starting it while it was jumped and it was run. Bad MAF? can i run it like this for a couple day?
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Old Oct 4, 2010 | 05:30 PM
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well i accidentally broke the cold start time switch strait off. It was siliconed on. Now it runs much better and starts up with no problem
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