Engine stalling or rough idle due to faulty electrical grounds on Mitsubishi Eclipse

Submitted by Jim Taddei · May 29, 2025
Published by RepairPal

Problem overview

The engine may stall or develop a rough idle with the check engine light illuminated and fault code 15 stored in the ECU. Our technicians tell us that the engine electrical grounds are critical, all 5 should be inspected and cleaned as necessary. An additional ground lead kit is also available which can be installed to help correct this condition.

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