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Lancer CK2 Oxygen sensor


kdw
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My Lancer CK2 (EFI, YOM:2000 ) recently failed the emission test due to high CO. Then i did an engine tuneup and again went for the emission test. This time i got very bad values than the 1st attempt. I went to the mechanic and then he asked me to replace my Oxygen sensor and TPS (throttle body sensor). Now i am getting very bad fuel consumption.
Is this happen due to above sensors? If so, please let me know a place to buy them. 

Thanks in advance.

 

Edited by kdw
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Change your mechanic. Go to a garage that can perform an emissions test and diagnosis to identify what is causing the issue. High CO in exhaust gas attributes to a rich air-fuel mixture and could be caused from a clogged air filter to a faulty Oxygen sensor. A diagnostic scan will reveal what is causing this. 

Also, TPS is Throttle Position Sensor. Change your mechanic. 

 

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22 hours ago, Davy said:

Change your mechanic. Go to a garage that can perform an emissions test and diagnosis to identify what is causing the issue. High CO in exhaust gas attributes to a rich air-fuel mixture and could be caused from a clogged air filter to a faulty Oxygen sensor. A diagnostic scan will reveal what is causing this. 

Also, TPS is Throttle Position Sensor. Change your mechanic. 

 

Thank you very much davy. I will definitely change the mechanic. Is there any good place around colombo to get done this job?

 

 

17 hours ago, ajm said:

normally you cant just replace a throttle with another used one. After replacing you have to conduct a Throttle learning procedure where the ECU calibrates its values to the new Throttle. The procedure varies from Vehicle to vehicle.


Thank you very much for your reply ajm. I will go to a new mechanic. Could you please suggest me a good place to get done this job? 

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