Base Engine Misfire with Abnormal Internal Lower Engine Noises
WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Base Engine Misfire With Abnormal Internal Lower Engine Noises (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Base Engine Misfire With Abnormal Internal Lower Engine Noises (2 Of 2)