Question about 2005 Chrysler PT Cruiser

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Engine / emission light and burned out alternator

Emmission light (looks like mini-motor) came on two weeks ago. Took in and they said a fuel injector was blocked. Serviced injectors and light went off.

Two weeks later same light appeared again. With second use with light on the battery light light as well. Drove right to shop. They said when they ran the computer diagnostic it indicated an oxygen sensor but that the alternator was defective / burned out.

The mechanic seems like a really good guy they said they haven't figured it out fully but think there is an electrical problem. Not sure if oxygen sensor burned out alternator or alternator tirggered oxygen sesor or if something else is going on. Any suggestions? Have you heard of this before?

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Lose drive belt, lose connection,both can cause a low charge ,and cause the light to come on.
never heard of oxygen sensor,burning out the altenator,maybe a short,or an electrical ark caused by short?(check fuses, and links?)

Posted on Oct 02, 2011

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Oxygen sensor might be faulty, as it causes the light to come on, but injectors hardly causes the light to come on, alternator( battery) light is an indication that the alternator needs to be replaced.

Posted on Nov 14, 2008

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