Check Engine Light on Due to AIR System Fault on Isuzu Ascender

Problem overview

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.

Isuzu Ascender vehicles with this problem

1 model year affected

2004 Isuzu Ascender

Average mileage: 115,118 miles

(111,237 - 119,000)

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Check Engine Light on Due to AIR System Fault on Isuzu Ascender

Problem overview

Isuzu Ascender vehicles with this problem

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