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Don't pull the damn MIL bulb. You'll never pass smog if you do. Check your EGR valve for proper operation (does the diaphragm lift when you rev the motor?) Also check ALL of your vacuum hoses. 99% of the time, a hose has fallen off or has cracked through. Also, check to make EGR temp sensor is connected and working (check the voltage on it. If it's not working right, unscrew it from the manifold and clean it.)
-Kevin
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