Injectors
#1
Newbie
Thread Starter
Injectors
OK guys, A buddy and I just purchased an 01 xj with a blown motor. He wants the donor jeep after I pull a few things off it. It has an after market billet aluminum fuel rail and Bosch 4 hole injectors. I have no idea how long ago they were installed. I've already pulled them off and they look good . However, is there a way to test them before I install them on mine? They physically look good and all the o-rings look good. Or do I just hit them with some carb cleaner and go for it? Also, is the fuel rail really an upgrade, or just eye candy?
#5
Just test the resistance on all 6 of them (Ohm reading across the poles). If they are all roughly the same you are probably good to go.
I don't know about the fuel rail, but get a Mopar 53013669AA heat shield if you don't have one.
I don't know about the fuel rail, but get a Mopar 53013669AA heat shield if you don't have one.
Last edited by xcrement; 01-10-2021 at 06:53 PM.
#6
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Year: 1989
Model: Comanche (MJ)
Engine: 4.0
Flow rates on the Bosch 162 look comparable to stock, so they should work. If the Bosch injectors are longer, that would explain the custom fuel rail. I believe the Bosch injectors have a different connector, so make sure you grab any connectors or adapters that might have been used.
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#11
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Model: Cherokee (XJ)
Engine: 4.0 L
Napa Fuel Injectors
Getting a tune up and the shop found two cracked injectors in my 2000 4.0 XJ. They've been waiting for over a month and are unable to source Mopars, but can get Napas. Are those okay? I don't want to to an upgrade as I feel XJ's prefer stock specifications long term.
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