Thread: Service Engine Soon
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Old 07-03-08, 03:50 PM
jbl99 jbl99 is offline
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Service Engine Soon
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Hello, I have a '94 SLS, 4.6L. Service Engine Soon light came on today and it started running rough. I checked the codes and they were, PCM 34,43,45,71. I have a book on what they mean. Do I need to replace the map sensor, and the two front 02 sensors? Thanks