Question about 1991 Honda Accord

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91 honda accord

What is ox sensor? and where is it? what does maf mean?

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Ox is same as o2 and is an oxygen sensor which is located on the exhaust manifold lower side. These sensors tell how much gas fumes in exhaust and then tell computer how to adjust air/fuel ratio

The Mass Air Flow sensor is located in the tube running from air filter. It is attached to the throttle plate. It tells the car computer how much air flow is coming into car.

An average car sucks in 9000 gallons of air per every gallon of gas you burn up

Posted on Jul 23, 2009

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The O2 sensor or oxygen sensor,reads the gas air ratio from the exhaust and tell the computer if there are any adjustments needed,for good emissions.It is on the exhaust pipe near the front of the engine between the mainifold and the catalytic converter. MAF is mass air flow,it is a emission sensor.

Posted on Jul 23, 2009

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Cleaned everything first?
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Did you try changing the fuel filter? Also check the fuel pump when the problem is happening.Find what the fuel pressure should be in a repair manual for your year make and model.Put a fuel pressure guage on the test line and you will find if the fuel pump is defective.

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If it is a three wire ox sensor then you must make sure that wires are hooked up right or it will not function and cause engine to run erratic. One of the wires are for the preheater in ox sensor so it must be hooked properly.

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