Problem Reports

Isuzu Ascender

2 Reports

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Model Year Affected: 2004

Exhaust & Emissions Affected: 4.2L 6 Cylinder

The Check Engine Light may illuminate due to a failure of the secondary air injection system (AIR) system. Possible faults include the air pump, relay, solenoid, and 02 sensor. Our technicians recommend complete system diagnoses before replacing any parts.

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