99 Mitsubishi diamante the car will run fine for a while (a couple of hours sometimes a day or two) then while driving it starts missing And rpms drop and acts like its gona die sometimes it does.

Asked by Jan 05, 2014 at 02:00 PM about the 1999 Mitsubishi Diamante 4 Dr STD Sedan

Question type: Maintenance & Repair

2 Answers

65

Sounds Like it Needs a Tune Up .

6,245

sounds like a bad IACV (idle air control valve) or PTU or bad coils,, any check engine lights on the dash ?

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