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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 431 (Engine Mechanical - 6.5L (On-Vehicle)) >> Adjustments & Inspections >> Fuel Injection Pump TDC Offset Adjustment >> Notes

Fuel Injection Pump TDC Offset Adjustment: Notes

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NOTE: Required Tools: Injection Pump Wrench (J-41711) and Injection Pump Adjustment Tool (J-29872-A).
NOTE: These procedures should only be used when a DTC has directed you to or one of the following repairs has been performed.
  • A DTC 1214 is set.
  • The CKP sensor has been replaced.
  • The engine has been replaced.
  • The front engine cover has been replaced.
  • The PCM and the injection pump have been replaced.
The PCM has the ability to perform a top dead center (TDC) offset learn when one is not present or has been cleared. This procedure allows the PCM to be updated with the correct TDC offset for the vehicle.
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