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If your Isuzu Trooper Air Flow Meter keeps failing the issue is most likely to much oil on a Isuzu performance air filter, or to much blow by from the Trooper engine.
If your Isuzu Trooper Fuel Injector has failed, be sure to replace the fuel injectors in complete sets. We have some of the the best prices on Bosch Isuzu Trooper Fuel Injectors with free shipping.
The Isuzu Trooper Oxygen sensor is a critical part of the emmision control system and should be replaced as soon as it fails. Make sure to check the Isuzu Trooper diagnosics codes for proper replacement of the O2 Sensor.