Low rpm sputter

Hi
your description of the car problem indicate that you have a problem in throttle body

have you do any maintenance recently to car throttle body, or the problem come suddenly. if no.

if no maintenance done then i suggest to inspect engine intake
line ( from engine filter box to throttle body) for any looseness of damage, also you have to clean your throttle body by an experience tech. and perform idle learn procedure.

hopefully this information fix your problem.

best wishes

Suggest you check the fuel pump pressure sounds like its on the low side

check fuel filter and fuel pump

It can be clogged intake manifold or issue with low fuel pressure or the problem is low battery voltage or issue with clogged fuel filter.Inspect all this basics.For more troubleshooting,click the link below and go through troubleshooting:----Stalls, Sputters and Pops Through Intake Manifold? http://whatisbyme.blogspot.in/2012/05/1995-toyota-corolla-stalls-sputters-and.html
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Erratic stalling and high engine RPM at idle?

http://whatisbyme.blogspot.in/2012/05/1999-toyota-camry-erratic-stalling-and.html
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Stalls and Stops While Driving? http://whatisbyme.blogspot.in/2012/05/1994-toyota-4runner-stalls-and-stops.html

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No Idle and Stalling issues? http://schematicsdiagram.blogspot.in/2012/04/ford-maverick-no-idle-and-stalling.html

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Vehicle starts then stalls and shutdown? http://schematicsdiagram.blogspot.in/2012/04/1992-chevrolet-stalls-and-shutdown.html

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Engine stalls when gas is given? http://technoanswers.blogspot.in/2012/01/engine-stalls-when-gas-is-given.html

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This will help.
Thanks.

SOUNDS LIKE A VACUM LEAK OR A HOLE IN YOU AIR INDUCTION TUBE ( BIG BLACK FLEX PIPE) BETWEEN MASS AIR FLOW SENSOR AND MOTOR

change your fuel filter and check the fuel pressure on the fuel pump you may have gotten some bad fuel try some STP gas treatment make sure you have a half tank of gas and add a little more go somewhere you can drive 55MPH give these websites a try www.alldatadiy.com and www.autozone.com wish you the best of luck Michigan Man.

have the fuel pressure checked

Throttle position sensor and idle air control valve

Clean out clogged fuel injectors

check the generator to see if it putting out enough volts