Question about Charging & Starting Systems for Oldsmobile Custom Cruiser

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How do I fix the problem with po183 code and po462 code if there still showing up after the problem is fixed

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If you fixed the problem and erased the codes and they do not come back, then chances are the problem is fixed. If you fixed the problem and erased the codes and the codes came back, then there is still a problem. Shorts can be tricky. Sometimes when you replace a shorted part you find out that was not the only shorted part after you install it or that part was not shorted to begin with and there was an open in the circuit that the part you replaced was part of. You are going to have to start troubleshooting. You know what the codes are and now you know what they mean and what the possible causes are. Now you need to start testing to see if there is power going to those parts and if the resistance in the wiring leading to them has the correct resistance required to carry voltage to those parts to make them function properly. The parts that you replaced and the parts that are showing to possibly be faulty due to the codes that populated are part of a large circuit of other wiring, components and control modules. If any of those components are malfunctioning or shorted then they can cause codes to populate for parts on that circuit that are not in fact faulty at all but rely on the part of that circuit that is faulty in order to function. There is an open somewhere in that circuit. You will have to start testing each part in that circuit to find it. Start with the most obvious. I would test the sensors related to the codes and then backtrack through the wiring diagram of that circuit to find out how they relate to the part you replaced. You can also check the easy, are you getting fuel and spark? I am assuming that since it will not start and you are getting fuel system related codes that you are not getting any fuel. There is something probably causing power to stop from going to the pump. As you are troubleshooting you will start to unveil answers to these questions.

Posted on Oct 15, 2013

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Always test,and only replace things if they fail a test.

Is the battery okey and alternator output good ?

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