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I have been getting poor MPG for a while and so I replaced the AF and oxygen sensors.
My MPG problem did not stop, so now I suspect the catalytic converters.
I warmed up the engine and took sensor readings with techstream.
At idle, my AF sensors read a steady 3.29v but my oxygen sensors are reading 0.76v. I have read that the oxygen sensors should read 0.45v.
Does this mean my cat is bad? I have a 2GR-FE V6 with 170,000 miles and I get 16-19 mpg with a loss of power.
My MPG problem did not stop, so now I suspect the catalytic converters.
I warmed up the engine and took sensor readings with techstream.
At idle, my AF sensors read a steady 3.29v but my oxygen sensors are reading 0.76v. I have read that the oxygen sensors should read 0.45v.
Does this mean my cat is bad? I have a 2GR-FE V6 with 170,000 miles and I get 16-19 mpg with a loss of power.
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