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There are several things that can cause your 1988 Cutlass supreme to stall out while driving down the road. The most common cause is a malfunctioning fuel pump.
you have a sensor problem.
vacuum leak
Fuel pressure regulator, I would assume Also drop the tank, mines did the same thing i had either sand or sugar in my tank. runs good now
Why engine stalls on 1993 Chrysler Intrepid while driving and sometimes at stops?
Its either your cam shaft position sensor or the crank sensor.
Use a code reader to find out why the check engine light is on.
Check idle air control valve on throttle body. Mine had similer problems. A quick fix to get you going should be just unplug and remove spray w/ cleaner to get carbon off spring and cone shaft, reinstall. remember, this is just temporary.
engine idleing to slow turn up your idle to 1500 rpm at idle drive safe
My 89 jeep Cherokee surges at idle and sometimes stalls but runs fine once you are going what could cause this?
Check the backpressure on your exhaust system. Often, when the catalytic converter fails it can produce this symptom. A local muffler shop may do the check for you for free.
Check the EGR valve.