Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–196 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS DTC P0153 – HO2S Slow Response Bank 2 Sensor 1 (Cont'd) Step No Yes Value(s) Action 11 Replace the exhaust pipes, as required. Is your action complete? — Go to Step 2 — 12 Check for leaks at the exhaust manifold. Are there leaks at the exhaust manifold? — Go to Step 13 Go to Step 14 13 Tighten the bolts to specifications or replace the Is your action complete? — Go to Step 2 — 14 1. Visually/physically inspect the following items: D Ensure that the Bank 2 HO2S 1 is securely D Check for corrosion on terminals. D Check terminal tension (at Bank 2 HO2S 1 and D Check for damaged wiring. Was a problem found in any of the above areas? — Go to Step 18 Go to Step 15 15 1. Disconnect Bank 2 HO2S 1. connector, measure the voltage between the high Are both voltages in the specified range? 3-4 V Go to Step 16 Go to Step 19 16 1. With Bank 2 HO2S 1 disconnected, jumper the high and low (PCM side) signal circuits to ground. 2. Ignition “ON”. Does the Tech 2 indicate less than 10 mV and — Go to Step 21 Go to Step 22 17 Replace the affected heated oxygen sensors. NOTE: Before replacing the sensors, the cause of the D Fuel contamination. D Use of improper RV sealant. D Engine oil/coolant consumption. Is the action complete? — Verify repair — 18 Repair condition as necessary. Is the action complete? — Verify repair — 19 Check for faulty PCM connections or terminal damage. Is the action complete? — Verify repair Go to Step 20 20 Repair open, short or grounded signal circuit. Is the action complete? — Verify repair — |