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What could be the cause of Codes P0102 and P0507 on a 2002 Saturn vue 3.0 V6?
Wiki User
∙ 16y ago
the P0102 code relates to the Mass Air Flow (MAF) Sensor. The mass airflow sensor measures the speed and density of the air entering the intake manifold. The engine computer converts this input to a Mass of air per unit time to correctly fuel the engine. the code P0102 will set if the MAF sensor signal voltage is less then 0.20volts. Code P0507 is most likely a result of the faulty Mass air flow sensor. Code P0507 will set if the actual idle speed is greater then 200RPM from what the engine computer has commanded. Possible causes for this code: Vacuum leak
air induction tubing cracked or damaged
Engine Coolant Tempature sensor damaged. Being that 2 of the 3 possible causes are air flow related, I would start by replacing the MAF sensor, resetting the computer, and test run the vehicle for a few days to see if the code has returned.
Wiki User
∙ 16y ago
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