703 injector test specs?
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Junior Member
Joined: Nov 2010
Posts: 60
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Model: Cherokee
703 injector test specs?
98 cherokee sport getting JY 703s. found 4 so far, 2 to go. Sorry to be a bother, can't find the ohm readings for proper injector function. How do I test these bad boys?
Thank you very much!
Thank you very much!
Newbie
Joined: Mar 2011
Posts: 14
Likes: 0
From: Indianapolis
Year: 92
Model: Cherokee
Engine: 4.0 HO w/ 703 injectors
I cut an injector connector at the JY, and used alligator clips and a doorbell switch to make an "injector pulser", like I saw in the thread about cleaning injectors. Youtube has a vid about "DIY injector cleaning" or something like that.
Without shooting carb cleaner through them, I could use it to hear an audible click. In the end, it helped me to diagnose a faulty injector that wasn't even firing. That gave me an excuse to go back to the JY, and get 703 injectors.
Without shooting carb cleaner through them, I could use it to hear an audible click. In the end, it helped me to diagnose a faulty injector that wasn't even firing. That gave me an excuse to go back to the JY, and get 703 injectors.
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