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Home >> Mazda >> 2002 >> MX-5 Miata LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0452: EVAP Control System Pressure Sensor Low Input >> Detection Condition
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Detection Condition

DTC is set when Engine Coolant Temperature (ECT) is less than 176°F (80°C) and Fuel Tank Pressure (FTP) sensor input is less than .2 volt after engine is started. Powertrain Control Module (PCM) determines that FTP sensor circuit has a malfunction. This is a continuous monitoring (CCM). Malfunction Indicator Light (MIL) illuminates if PCM detects this malfunction conditions in 2 consecutive drive cycles. Pending codes is available if PCM detects malfunction during first drive cycle. Freeze Frame Data is available and DTC will store in PCM memory.

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