1990 Mitsubishi Sigma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Mitsubishi Sigma

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1990 Mitsubishi Sigma Problems

Warm Air From AC Due to Evaporator Freeze Up

The AC system may blow warm air at times due to freezing of the evaporator core. Our technicians tell us there is an AC harness resistor available which can correct this issue.

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