OBD II Fault Code P1066 :

Description of Fault code P1066

FUEL RAIL PRESSURE HIGHER THAN EXPECTED

Possible failuer P1066

• MPROP (OPEN SIDE)

Diagnostic Procedure using AutoHex II Scan Tool

• The state that fuel rail pressure is more or less than specified value is detected over specified times for a set period of time.

Test Conditions using AutoHex tester

• Continuously

Clear Fault codes Conditions

• The state that fuel rail pressure is more or less than specified value is detected over specified times for a set period of time.

MIL Status

• Glow ON

Note:

• AutoHex II is a professional Auto diagnostic.
• This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
  To get the accurate fault code description you may use AutoHex II

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