Rough Running Idle, ABS Light Illuminated, and Check Engine Light: Mazda B2500 Electrical System

Problem overview

Water intrusion into a connector (X309) located under the cab, beneath the driver's seat, can cause a rough idle, erratic speedometer operation, ABS light and check engine light illumination, and automatic transmission shifting problems. If needed, connector repair parts are available from Mazda dealers, and possibly some Ford dealers.

15 people reported this problem

7 comments

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Mazda B2500 vehicles with this problem

4 model years affected

Average mileage: 111,333 miles

(43,000 - 166,000)

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Rough Running Idle, ABS Light Illuminated, and Check Engine Light on Mazda B2500

Problem overview

Mazda B2500 vehicles with this problem

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