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Home >> Subaru >> 2012 >> Outback R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H6DO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0301 Cylinder 1 Misfire Detected >> Diagnostic Method >> 120° Interval Difference Method

120° Interval Difference Method

Diagnostic value domg 120 = (omg 1 - omg 0) - (omg 7 - omg 1)/6
Judge as a misfire in the following cases.
  • domg 120 > judgment value of positive side
  • domg 121 ≤ judgment value of negative side

(Judgment value before 120° CA)
Fig 1: Crankshaft Position Speed Graph - 120° Interval Difference Method
G07925993Courtesy of SUBARU OF AMERICA, INC.
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