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6E2–166 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS DTC P0175 – Fuel Trim System Rich Bank 2 (Cont'd) Step No Yes Value(s) Action 18 1. Perform the “Injector Balance Test.” repair as necessary (refer to Fuel Metering System). Did the Injector Balance Test isolate a problem — Verify repair Go to Step 19 19 1. Remove and visually/physically inspect the Bank 2 HO2S 1 for silicon contamination. This will be 2. If contamination is evident on the Bank 2 HO2S 1, replace the contaminated sensor. Did the sensor require replacement? — Verify repair Refer to Diagnostic Aids 20 1. Check the TP sensor mounting screws and tighten or replace them as necessary if they are loose or 2. If the screws are OK, replace the TP sensor. Is the action complete? — Verify repair — 21 Replace the MAF sensor. Is the action complete? — Verify repair — |