Poor Running at Idle, Possible Stalling, Possible Codes in Computer for Rich Fuel Running on Mercury Topaz

Poor engine running at idle, stalling, and possible codes in computer for rich fuel running can be caused by a ruptured fuel pressure regulator.

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Average mileage: (–)
5 model years affected: 1990, 1991, 1992, 1993, more1994
5 people reported this problem
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