Mechanics

WONT HOLD STEADY IDLE

1992 Geo Metro

Engine Mechanical problem
1992 Geo Metro Front Wheel Drive 50000 miles

Example: If I run idle up to 2500rpm once it reaches it she wants to die then revs back up to 2500rpm and wants to die again. It will go up and down up and down no matter want rpm you try to hold steady PLEASE HELP I AM LOST.
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Jimharty63
October 14, 2009.



Check the fuel pressure to rule out the fuel filter, fuel pressure regulator and fuel pump and test the throttle positon sensor and manifold absolute pressure sensor.

Rasmataz
Oct 14, 2009.