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This a New never installed $40 + shipping
OBDII cars have two oxygen sensors to measure the amount of oxygen contained in the exhaust gas. The first sensor is located on the manifold or header and measures O2 content of the exhaust as it escapes from the cylinders. This sensor is used by the PCM to calculate fuel trims and look for combustion problems.

The second oxygen sensor is located after the catalytic converter and is used only to detect the performance of the converter. The PCM does NOT use any data from the secondary O2 sensor for engine management. The PCM will set an SES (service engine soon) light (for P0140, P0141 and/or P0420) if the catalytic converter is removed, the sensor is removed, or the sensor goes bad.

The Easy Performance O2 emulator is a plug-in replacement for the secondary O2 sensor that will provide the PCM with a signal that emulates a healthy cat. An extremely compact circuit board is molded into the end of the connector to provide the most compact and water resistant simulator on the market.

Installs in less than 10 minutes and does not require any tools. The EP O2 emulator is standalone and as such does not need to be located anywhere near the exhaust system. It is further recommended that the harness connecting to the O2 simulator be coiled up and cable tied (with included cable tie) in the engine compartment away from the hot exhaust that could damage the casing of the simulator if it comes in contact with it. It also prevents obstacles in the road from catching on the harness wire if left unchecked. Some vehicles such as F-bodies with front dual exhaust have four oxygen sensors and require two simulators per vehicle.

NOTE: The Easy Performance O2 Emulator is for off-road or closed track use ONLY. - using this product on a street vehicle to violate emissions is illegal and we will not provide tech support to anyone we feel is doing so.
 

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Yup, I second that suggestion. Several years ago when I first got into modding my hot rod GTP, this was one of my first thoughts. It worked great and no check engine light. As was mentioned, it's provides a signal to the PCM/ECM as though the cat and rear O2 are operating properly..

Another thing it did for me was to loose the CAT completely for freer exhaust system flow(less restriction). NOTE..... technically it's illegal to do this. Where I live, they quit doing emission testing years ago. Their reasoning was, with all the newer cars on the road now days this testing was not needed. If you live in CALIFORNIA, they do more extensive testing and might catch a mod like this. If where you live emission testing has gone by the way side, just do it and be happier...... The previous statements were not from me........ Also, if you end up going for hot rod performance, loose the cat too........... LESS EXHAUST RESTRICTION......... Who said all that stuff anyway.....

Mr Goodwrench.......
 

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This a New never installed $40 + shipping
OBDII cars have two oxygen sensors to measure the amount of oxygen contained in the exhaust gas. The first sensor is located on the manifold or header and measures O2 content of the exhaust as it escapes from the cylinders. This sensor is used by the PCM to calculate fuel trims and look for combustion problems.

The second oxygen sensor is located after the catalytic converter and is used only to detect the performance of the converter. The PCM does NOT use any data from the secondary O2 sensor for engine management. The PCM will set an SES (service engine soon) light (for P0140, P0141 and/or P0420) if the catalytic converter is removed, the sensor is removed, or the sensor goes bad.

The Easy Performance O2 emulator is a plug-in replacement for the secondary O2 sensor that will provide the PCM with a signal that emulates a healthy cat. An extremely compact circuit board is molded into the end of the connector to provide the most compact and water resistant simulator on the market.

Installs in less than 10 minutes and does not require any tools. The EP O2 emulator is standalone and as such does not need to be located anywhere near the exhaust system. It is further recommended that the harness connecting to the O2 simulator be coiled up and cable tied (with included cable tie) in the engine compartment away from the hot exhaust that could damage the casing of the simulator if it comes in contact with it. It also prevents obstacles in the road from catching on the harness wire if left unchecked. Some vehicles such as F-bodies with front dual exhaust have four oxygen sensors and require two simulators per vehicle.

NOTE: The Easy Performance O2 Emulator is for off-road or closed track use ONLY. - using this product on a street vehicle to violate emissions is illegal and we will not provide tech support to anyone we feel is doing so.
do you still have an emulator for sale?
 
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