Diesel Data
: Automotive Repair
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SX4 2WD L4-2.0L
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U0121
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Engine Control Sstems
Engine Control Sstems
DTC U0121
Refer to Troubleshooting for CAN-DTC.
Related Tests, Information and Procedures