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Duplicate post .... once is enough ...

Les



rosulekg said:
Can someone remind me how to clear old codes out for my smog check? Thanks! Glenn
 

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What the heck does clearing codes have to do with getting the car smogged? :roll:

Charlie
 

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In some states they check the pcm for any codes such as misfires etc...If any code exists then they can reject the car for emissions
 

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Maybe I misunderstood the original post. It sounded like simply clearing codes would somehow change the outcome of the smog test. When they check the pcm and find history codes, why does that effect the outcome? History codes are just that...history and not current. If the codes are current codes, then the car SHOULD fail emissions. Am I missing something here?

Charlie
 
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