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OBD II Fault Code P1203 :

Description of Fault code P1203

MISFIRE FUEL No.3 CYLINDER

Possible failuer P1203

  • Fuel injector clogged, leaking
  • Fuel injector harness open or short
  • Compression low
  • Valve clearance incorrect

Diagnostic Procedure using AutoHex II Scan Tool

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

Test Conditions using AutoHex tester

  • When B-CAN Data is sending

Clear Fault codes Conditions

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

MIL Status

  • Keyless Access Indicator ON

BMW Key Programming F10, All keys Lost


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

More Fault codes:

OBD II Fault Code P1204
OBD II Fault Code P1205
OBD II Fault Code P1206
OBD II Fault Code P1207
OBD II Fault Code P1208
OBD II Fault Code P1209
OBD II Fault Code P120A
OBD II Fault Code P120B
OBD II Fault Code P120C
OBD II Fault Code P120D
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