Question about Toys
Will not rev air sensor and heat exchanger replaced
Posted by Anonymous on
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Posted on Jan 02, 2017
The only thing that will set this code is the catalytic converter or the oxygen sensor behind it. Way to tell if it is the sensor is to monitor voltage reading with scan tool and see if it is fluctuating the same as the upstream oxygen sensor. If it is the converter is "free flowing" and will have to be replaced. If the sensor is "flatlined" then it is most likely bad and setting the code.
Posted on Apr 30, 2009
sorry but in this case the dealer is correct,ONLY oe cats will solve this problem, have worked on dozens of the cars no aftermarket cat i've seen has worked. you can chase this problem all over but it will still go back to the cats ,sorry no better answer
Posted on May 21, 2009
It is probably the sensor before the cat. if it has a heater. The heater circuit going bad is a common problem, it does not affect the way the car runs after it warms up, it is an emission device to heat the O2 sensor up quicker than the hot exhaust gas would. It should be replaced because it will keep your check engine light on and you would not be able to pass an emission test.
Posted on Oct 12, 2009
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