Question about 1993 Chevrolet Astro

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Is there anything else that controls the fuel other then ecm on 1993 Astro van

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Oxygen sensors
map sensor
mass air flow sensor
fuel pressure regulator
idle air control valve
throttle postion sensor
fuel injectors
egr valve
All these sensors send a signal to the ecm to regulate the air/fuel mixture.

Posted on Sep 07, 2011

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