RSX L4-2.0L (2005)
9. Troubleshoot the DTC(s) in the order indicated using the above charts.
If a faulty control unit is suspected, substitute it with a known-good part and recheck for DTCs.
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If the DTC(s) is still present, go to the next step listed for the DTC.
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If the DTC(s) is no longer present, replace the original part.