92 Q45 injector question

[Trppen37]

I have a 92 q45 base model and i just removed the intake manny to ohm the injectors, i found they are supposed to be at 10-14 ohms and half of my injectors are in that range and the other half range from 50-150 ohms. they obviously need replacing so should i do all of them? Also where is the cheapest place to buy them. The color of the injector tops where teh plug in is brown btw. thanks

[elwesso]

I would recommend doing them all, but if you want you cna just replace the ones that are out of spec.....

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[911/Q45]

Infinitiparts.com gives the best price that we can count on. Your replacement injectors will have purple tops, but they are the right ones. I just replaced all mine and would recommend you do the same, along with anything else under there that even might cause trouble later.

[ScottJackson]

you don't need to pull the intake to ohm them, unless you already checked them at the harness and found them to be off. If you are checking them directly at the injector wiring terminal, then get new ones... I checked mine at the plug on the passenger side valve cover and found a couple to be out of spec but not completely open loop (bad injector). I changed out the wiring harness which was pretty cheap along with the one bad injector and it all worked nicely. They all check out perfect at the wiring plug now. Usually, if there is some ohm reading, the injector isn't bad internally, it's just wiring up to that point that needs replaced. Also, do the hoses under the plenum.