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This involves the oxygen sensor upstream the catalytic converter on Bank 2. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use. You will likely not notice any drive ability problems, although there may be symptoms. A code P0153 may mean that one or more of the following has happened: The oxygen sensor is faulty The wiring to the sensor is broken / frayed There is an exhaust leak Possible Solutions Things that may fix the problem include: Check and fix any exhaust leaks, Check for wiring problems (shorted, frayed wires), Check the frequency and amplitude of the oxygen sensor (advanced), Check for a deteriorating / contaminated oxygen sensor, replace if necessary, Check for inlet air leaks, Check the MAF sensor (sensor of the pipe from air cleaner) for proper operation, Replace the Bank 2 oxygen sensor upstream of the catalytic converter (follow from CC towards engine - you wil see the sensor)
I don't know what an "01 Sensor" is, but the O2 sensors which sense oxygen (O2) in the emissions are located on the exhaust pipes behind the engine and before the mufflers. If you have a V6 engine, there will be a total of 4 O2 sensors, 2 on each side of the exhaust system. You will need an open ended wrench to remove the old ones as you need to be able to get around the sensor and the wire that goes to it. Unplug the connector before loosening the sensor, it'll be easier than twisting the cable/wire until the sensor come out. You may need some WD-40 also to loosen up the sensor if they've been there a long time, but don't start your vehicle until the WD-40 or whatever you use dries off. It could ignite from the heat in the exhaust pipe when the engine is running.
Just did my fuel pump on the 2001 isuzu rodeo. Well here is what you need to do about the different wire colors. First disconnect your negative battery. Drop the fuel tank and replace pump. Remember to have a splice kit in hand. Ok now here is how you connect the different colored wires. Black goes with black. Gray goes with black and orange wire. Purple goes wit blue and yellow. And the last wires goes together. I hope this helps.
OK, so now I know that you have a 1999 Isuzu Trooper Equipped with a 3.5L V6 DFI DOHC engine, 4-wheel drive, four wheel disc brakes, four wheel antilock system, 108.70 in. wheel base, with a standard curb weight of 4465 lbs.
this code is oxygen sensor heater circuit range/performance(bank2,sensor1)
the ECM detects the heated oxygen sensor internal resistance is not in specs for 6 seconds code sets
disconnect O2 sensor,switch ignition on engine not running and measure the voltage with a multi meter between O2 sensor reference signal circuit and low reference signal circiut(vehicle side of wiring) should read 350-550mV
possibly O2 sensor broken(faulty) replace
I am not an expert and I don't have the codes in front of me with the meaning but I can offer some advice and hopefully it will solve your problem. First keep the print out of the codes and take it/them with you. Have someone check the oxygen sensor. It's possible that all of the codes you are getting lead up to the computer (electrical issue). I sure hope this helps. Good luck and let me know how things turn out.