1993 Chev Camaro Stalling - General

Question: i have a 93 camaro 3.4, recently i have been getting a very random symptom that resembles misfiring.. it only happens every once in a while but when it does i have to shut the car off and let it sit for at least 3 hrs. i have replaced the o2 sensors, tps, ops, belt, plugs, wires, coils, iac motor, vacuum lines and pcv valve, as well as VERY regular filter changes.. air and oil every 3000 and fuel every 10, 000 the last fuel was about 4, 00 ago and i cant seem to get a handle on the problem, it gives an egr code but, i changed it out.. and get the same code..(this was prior to the stalling) when the stalling occurs, the engine misses terribly, like its running on 3 cyl. the last time this happened was last night.. i was joyriding and rding it hard, when i hit 3rd gear the engine unloaded and started losing power. but still accelerating..when i finally brought it back down to idle it started to hesitate like it was going to have one of its fits.. luckily i was right around the corner from the house so i parked it and let it sit. by morning time she started right up and gave me no probems.. im confused.. and running out of things to replace.. please help.

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Technican: Hello, Can you get your hands on a NODE LIGHT so that you may test each fuel injector and see if the Powertrain Control Module (PCM) is commanding their operation? A node light simply plugs into the wiring harness connector of the injector you have disconnected. It will flash everytime the PCM tells the injector to "fire" when the engine is cranking or running. Of course you would do this when the problem is present. After a period of operating time there may be a circuit problem in the PCM that causes injectors to drop out. After a cooling down period the problem may "fix" itself. Other PCM controlled circuits can react this same way. You stated you get an EGR code. What EGR code do you get? Do you have access to a scanner (not just a code reader)? Please advise.

Technican: Hello, May I hear from you concerning the status of this question, please?

Technican: Hello, I'm hoping you'll update me on the status of your question. Please advise.

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1993 Chev Camaro Stalling - General

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