What would cause the injectors not to open?

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04-30-2019, 09:19 PM

#31

Hunter Bostic

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Join Date: Mar 2019

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Model: Cherokee (XJ)

Hello

Quote:

Originally Posted by cruiser54

For you, $75 shipped. Private message me your email please.

I tryed to pm you im not sure if it worked tho you might have to pm me

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04-30-2019, 09:32 PM

#32

BlueRidgeMark

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Join Date: May 2012

Location: Lost in the wilds of Virginia

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Year: 1998 Classic (I'll get it running soon....) and 02 Grand

Model: Cherokee (XJ)

Engine: 4.0

Quote:

Originally Posted by Hunter Bostic

I think i pm you im not real sure on how to do all this but my email is THIS IS HOW TO INVITE LOTS OF SPAM

NEVER post your email address on a forum like that. I suggest you go back and edit your post.

Here's why.

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04-30-2019, 10:42 PM

#33

lawsoncl

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Join Date: Dec 2017

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Year: 1989

Model: Comanche (MJ)

Engine: 4.0

Quote:

Originally Posted by Hunter Bostic

yes everything seems to be good and refreshed all the grounds. I guess im going to try and order a pcm off ebay and hope for the best. And i dont think i have a asd relay iv tryed looking it up but i think they started that in 1990 or so could there be anything else? Before i order a 200 dollar pcm off ebay.

Beg, buy, or borrow a voltmeter and check if you have voltage at the fuel pump relay. If the relay is bad (or the pcm isn't triggering it), then you won't get the fuel pump or injectors working. I believe there is also a fuse and/or a fusible link that feeds the relay.