Car Problem Reports

Mazda Protege Idles Rough, Misfires, and Possible Check Engine Light

 
Mazda Protege Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003

Engines Affected: 1.6L 4 Cylinder, 1.8L 4 Cylinder

Average Mileage: 150,250 mi (60,000 mi - 243,000 mi)

Verified

A loose or corroded ground terminal on the driver's side of the cylinder head can cause a rough idle, misfires, and there may be trouble codes. Restore the ground to the cylinder head.