1996 Chevrolet Camaro o2 sensor

1996 CHEVROLET CAMARO
107,500 MILES
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BIGZ28
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How many o2 sensors are needed for a 1996 z28 Lt1 camaro my check engine light is on and i replaced the mass air flow sensor.Sometimes while driving i smell gas and my gas mileage has dropped.I checked with my car md tester and it said my o2 sensor.
Jun 12, 2013 at 3:35 PM
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CARADIODOC
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You should get a diagnostic fault code but it's important to understand that codes never say to replace parts and they never say a part is bad. They only indicate the circuit or system that needs further diagnosis. The sensor in question is only the cause of the code about half of the time.
Jun 12, 2013 at 11:37 PM
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CARADIODOC
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Forgot to add that there are typically four oxygen sensors but it depends on the engine size and vin number. V-6 and V-8 engines have one on each side and on '96 and newer vehicles there will be one ahead of the catalytic converter on each side and another one after them.
Jun 12, 2013 at 11:41 PM
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