1995 Mazda Protege I need help

1995 MAZDA PROTEGE
72 MILES • 4 CYL • FWD • AUTOMATIC
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THE_ARMAGEDDON
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  • 2 POSTS
when I start the engine, it cranks normally, but the RPM up to 1000 and down less 500 and engine stop, it is only the engine are hot, the enginer warm start normally, and them hot , the engine stall and stop ( no even) .

i try to find what sensor are out of range; but i dont find it; i have the reapir manual, i check ECM voltaje pin, whole are fine.
Sep 15, 2008 at 4:36 PM
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RASMATAZ
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Check the fuel pressure/idle air control valve/closed throttle position switch/throttle position sensor
Sep 15, 2008 at 5:08 PM
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THE_ARMAGEDDON
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Good day;

I measure all PCM Voltage, when the engine is hot; cranks slowly and stop; I heck the IAC voltage ( 6.5 - 7.5 ),Coolant Temperature (0,54-0,61) ; to start the engine in this condition I have to pull the accelerator pedal, the rpm increase, the voltage up on the diferent Sensors, but i need to wait to stabilize the idle speed; when the temperature sensor voltage is major that 0,64; the engine craks normaly and start fine.
Sep 29, 2008 at 6:45 AM
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