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The check engine light keeps coming on for the egr valve.
1999 Chevrolet Lumina

The check engine light keeps coming on for the EGR valve.

(1999 Chevrolet Lumina)
I have replaced the EGR valve twice and the wire connector once. I cleaned the EGR valve today. The light went out for a little while but came back on before I could get it inspected. Should I replace the tube or is there some other problem? If I need to replace the tube would you please give me instructions on how to do so?
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Popular Answer
of GT Service Center on September 18, 2014
What is the short/long term fuel trim readings on the live data? Could be an issue with the air filter, fuel filter, fuel pump, exhaust leak, or vacuum leak. The computer could be recognizing the fuel enrichment is not being done properly when it has asked for it. Needs to be diagnosed further.
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General Diagnosis
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of GT Service Center on September 18, 2014
What is the short/long term fuel trim readings on the live data? Could be an issue with the air filter, fuel filter, fuel pump, exhaust leak, or vacuum leak. The computer could be recognizing the fuel enrichment is not being done properly when it has asked for it. Needs to be diagnosed further.
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