i REPLACED THE CAT AND o2 SENSORS ??????

Asked by Feb 21, 2015 at 11:22 AM about the Mitsubishi Eclipse

Question type: Maintenance & Repair

2003 ECLIPSE STARTS FINE COLD AND RUNS A LITTLE ROUGH WHEN i SHUT IT OFF FOR A SHPORT TIME IT WON;T START IT FIRES RIGHT UO THEN NOTHING
  i REPLACED THE CAT AND o2 SENSORS ??????

1 Answer

269,315

Why did you replace the cats and O2's, were you getting codes? Is the CEL on now? Running rough can be a vacuum leak to a misfire. I'd suspect the light is on and you have a few codes. Have the car scanned.

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