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Today I replaced ECU, Removed and cleaned IACV, seafoamed the engine from the brake booster vacuum. Nothing has changed, engine still stumbles, shakes and will barely run, runs good above 3500 rpm though.
I checked for vacuum leaks with carb cleaner and believe I have found something. When I spray the cleaner on the injectors/O-rings, I get a drop in idle. I am guessing the o-rings are bad, or not properly seated. What is a good method to reinstall the injectors and ensure they are seated and not leaking vacuum?
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