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Hyundai
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2004
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Elantra GLS, Automatic
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Repair and Diagnosis
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Engine Mechanical
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Fuel System
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DTC Trouble Shooting Procedures
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DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)
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Inspection Procedures
›
5. Check Injector
5. Check Injector
Check the injector for the following items :
Injector damage
Open or short in injector circuit
Refer to
DTC P0261
-
DTC P0271
for a detailed inspection procedure.
Is the injector okay?
Yes: Go to next step.
No: Replace it.