Check Engine Light With no Fault Confirmed on Mitsubishi Galant

Problem Description and Possible Solution

The Check Engine Light may illuminate with no fault confirmed. Our technicians tell us a powertrain control module (PCM) software update is available which may correct this concern.

Problem Data
RepairPal Verified
Average mileage: 188,000 (188,000–188,000)
2 model years affected: 2005, 2006
6 people reported this problem
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Check engine light is always on. Mechanic can't find a problem. It has been reset but within a day or two it's back on.