3 and 4 injector not firing when warm above idle. - Ford Truck Enthusiasts Forums



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3 and 4 injector not firing when warm above idle.

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Old 07-09-2014, 10:42 PM
BLK 96 BLK 96 is offline
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3 and 4 injector not firing when warm above idle.

Need help 3 and 4 injector quits firing when truck warms up and is above idle. I pulled both injectors and sent them in to be fixed and there wasn't anything wrong with them. The UVCH looks good on both sides. I don't know what it could be any help would be great thanks.
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Old 07-10-2014, 05:43 AM
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What do the outer vc pins/connections look like? I'd check the wires all the way from the injectors to the idm for breaks too.
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Old 07-10-2014, 07:13 AM
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Take the IDM out and shake it to see if you can hear any water in there.
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Old 07-10-2014, 04:57 PM
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I will check all the wires and the IDM sat morning when i put it back together. I hope it is one of those two things.
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Old 07-15-2014, 10:39 PM
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I got it fixed! My chip was causing it,pulled it off and scotch brited the connections and put it back together and it runs great now.
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Old 07-16-2014, 05:30 AM
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Good to hear. That should always be the first step, removing the chip. You should have mentioned you had one. No big deal, glad its going.
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