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Home >> Jeep >> 2004 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Ignition Control) >> Spark Plug >> Cleaning >> 4.7L H.O. Engine

4.7L H.O. Engine

WARNING: This page is about a different car, the 2004 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Never clean spark plugs on the 4.7L H.O. engine. Damage to the platinum rivet on the center electrode will result.