95 galant backfires and shuts down at higher rpms starts to backfire at 3000 rpm and will shut down at 4000 rpm will start right back up and idle fine.
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sounds like the rpm limiter has been activated
shutting down at stop lights ,( normally with the foot on the brake ) indicates a vacuum brake booster failure
always run the fault codes first if the car is not running correctly
Your car cold start valve puts more gas into the system keeping your engine running higher RPM. When you car warms up, the cold start valve will stop working and your car RPM will drop. What you could have is a vacuum hose disconnected which puts more air into your engine - therefore when you press on the gas pedal, your engine would shut off or you find lack of power and then shut off.
you must RUN the scanner/computer, you can have the manufacturer specification wrong. The electronic vehicle is complicated, by that reason you can have wrong tune up, PCM+BCM+sensor+ignition coil faulty ,etc see the diagram attached. God bless you
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