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Home >> Suzuki >> 2002 >> Grand Vitara Limited, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0451: EVAP Circuit, Pressure Sensor Range/Performance Problem >> Condition
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DTC P0451: EVAP Circuit, Pressure Sensor Range/Performance Problem: Condition

DTC is set when ECM (PCM) detects fuel tank pressure is less than -3.5 kPa or more than 6.6 kPa for 5 seconds. MIL is illuminated when ECM (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

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