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Symptoms of bad front O2 Sensor??

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Old 03-15-2004, 01:09 PM   #1
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Symptoms of bad front O2 Sensor??

Hello All,

I've been having some stall problems recently. Right before the actual stall, my air/fuel ratio sensor begins to dither at a very slow rate and the engine dies. This happens occasionally as the truck slows down or stops. Fuel system & plugs have been checked so I'm running out of ideas. Truck hasn't thrown and CEL lights for me to confirm. Any diagnostic tips to suggest??


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02, 4runner, air, bad, front, fuel, o2, oxygen, ratio, sensor, sensors, symptoms, syptoms, sysmtoms, tacoma

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