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Old 02-07-2010, 12:49 PM
DarcySL's Avatar
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Default Check Engine light
Hello All I just had my 1999 Sl500 smogged it passed Ca emission standards. The check engine light just came on yesterday Is there any way to tell if its the air sensor or Cat Converter?
 
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Old 02-08-2010, 06:18 PM
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Location: Sicklerville,NJ
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DarcySL,
you need to go to a shop that has SDS or other scan tool to see what codes are present
 
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Old 02-08-2010, 06:20 PM
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Location: Philadelphia, Pa
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could be anything. loose gas cap, O2 sensor, misfire...
 
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