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I am going to got my pre-cats on my first MR two spider. They are distorted and have some blockage but no cracks or deterioration...The car has 97,000 miles on it. Well I have any problem with the computer system or the check engine light when I have completed my job?
 

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In general... if you don't screw up the header gasket or crossthread an O2 sensor or damage the sensor or its wiring or plug it in incorrectly... no, there will not be a CEL. But about half the people who do it will screw up one of these things... No way to know in advance what half you fall in.
 

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The ECU is not supposed to know about the precats. If you get a CEL afterwards, It could indicate that the main cat is weak. However, it is most likely that it would indicate that you broke something while doing the job.
 

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The ECU is not supposed to know about the precats. If you get a CEL afterwards, It could indicate that the main cat is weak. However, it is most likely that it would indicate that you broke something while doing the job.
There's a guy on mr2oc who is trying to adapt an electric e153 VSS for his AE86 cable speedo.... I suggested he talk to you. Can you help him out?
 

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I don't know. I understand that generally, the electric senders and the cable senders are interchangeable at the transmission. However, I know nothing about the E153 specifically. I imagine that if it has been installed in both mechanical and electronic applications, then both senders would exist.
 

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No way to bypass the cable. You can get an electrical signal from a working mechanical speedo if you need it.
 

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I am going to got my pre-cats on my first MR two spider. They are distorted and have some blockage but no cracks or deterioration...The car has 97,000 miles on it. Well I have any problem with the computer system or the check engine light when I have completed my job?
Just be prepared to buy the no cat system from Monkeywrench Racing if the 02 sensors are orig give yourself a big gift buy new sensors 2 upstream 1 downstream - 1A Auto | Aftermarket Car Parts - Buy Quality Auto Parts Online if i can help any more chat me
 
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