where is my O2 sensor or do i even have one?

1985 ISUZU TRUCK
120,700 MILES
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ISUZU8595
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I dont kbow where my 02 sensor is and i want to check it
Jan 16, 2012 at 10:06 AM
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RASMATAZ
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See below

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Jan 16, 2012 at 10:16 AM
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ISUZU8595
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Ok is that the only place therd cud be one csuse there isnt one
Jan 16, 2012 at 12:27 PM
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RASMATAZ
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What is the engine liter?
Jan 16, 2012 at 12:29 PM
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ISUZU8595
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1.9
Jan 16, 2012 at 12:35 PM
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MHPAUTOS
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That early model may not have one, is it EFI or carby engine, if originally a leaded fuel engine it will not have one.
Jan 18, 2012 at 11:30 PM
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