I have a 1984 mercury grand marquis 5.0L 302 V8 engine. Somtimes when I'm driving it it will run rough and if you stop or let off the gas to much it will die please help

Asked by Apr 05, 2014 at 09:45 PM

Question type: Maintenance & Repair

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228,315

Vacuum leak? When was the last time you performed a tuneup, cleaned/rebuilt the carb?

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