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Check Engine Light & Emissions
Posted by Yaofeng [Email] (more from Yaofeng) on Thu, 23 Jan 2003 08:21:29
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My 94csT has a persistent change engine light. It flashes six times during start up, indicating O2 sensor. It also failed NJ emissions inspection. Here are the numbers.
NOx 197 vs. 937 allowed
HC 155 vs. 124 allowed
CO% 1.23 vs. 0.69 allowed
CO2% 14.1
O2% 0.0 RPM 0
I replaced the O2 sensor. No luck. Next I replaced the spark plugs. Didn't do it. Looking at my other 94cs side by side in the garage, I am thinking what can I swap to pass the emission test? The check engine light and failed emissions must be related. Question is, does the check engine light require a reset? Or it will go away once the source of the problem is removed?
Help is appreciated.
Of course I am not going to do it in the next few days. It is frigid now in New Jersey.
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