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Old 05-13-2006, 11:22 AM   #1
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Join Date: Feb 2004
Location: Humble, TX
Posts: 638

1998 SC2
Default P0405: EGR going out?

I'm getting a P0405 code "EGR sensor voltage low". I've tried clearing it but it comes back. I've taken off the EGR and cleaned out a lot a carbon with some carb cleaner and an old toothbrush. It still came back. The wiring harness and connector didn't look corroded. Could my EGR valve be going out on me? The odd thing is, my car feels pretty lively when the SES is on but my fuel economy goes down. I guess I'm running in open loop mode.

15.59 @ 87.1 quarter mile
1998 Saturn SC2 *sold* What have I done!?


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