Grand Cherokee 2006-2007

Gasoline Engine Tune-Up Specifications

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GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
              IntakeExhaust
2006K3.70.04244-54--HYDHYD
  N4.70.04047-51--HYDHYD
  25.70.04549.0-49.4--HYDHYD
1NOTE: The Vehicle Emission Control Information (VECI) label often reflects specification changes made during production.
2- Ignition timing is controlled by the PCM and is not adjustable.
3- Idle speed is controlled by the PCM and is not adjustable
GASOLINE ENGINE TUNE-UP SPECIFICATIONS
YearEngine VINEngine Displacement LitersSpark Plug Gap (in.)Fuel Pump (psi)Ignition Timing (deg.)Idle Speed (rpm)Valve Clearance
              IntakeExhaust
2007K3.70.04244-54--HYDHYD
  N4.70.04047-51--HYDHYD
  P4.70.04047-51--HYDHYD
  25.70.04549.0-49.4--HYDHYD
1NOTE: The Vehicle Emission Control Information (VECI) label often reflects specification changes made during production.
2- Ignition timing is controlled by the PCM and is not adjustable.
3- Idle speed is controlled by the PCM and is not adjustable
 
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