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.
5 people reported this problem
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Isuzu Ascender vehicles with this problem
1 model year affected
Average mileage: 115,118 miles
(111,237 - 119,000)
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