Question about 2004 Mazda 6

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Exhaust gas re-circulation insufficient mazda6

Exhaust gas re-circulation insufficient mazada6 diesel car

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  • Anonymous Mar 21, 2014

    exhaust gas circulation switch

  • Anonymous Mar 21, 2014

    exhaust gas re-circulation switch

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Egr valve is a major concern in these cars as mazda havent got this issue sorted. The light will come on and go off itself. No need to worry about it. I have had mine coming on and off more often that the blinking xmas decorations. Got the valve cleaned first few times but no luck. I had it blanked out on AAs advice as this valve does not do anything to the engine and is not necessarily required. My car even passed MOT with the EGR Valve blanked out. hope this helps

Posted on May 19, 2010

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The exhaust passages are plugged with carbon, common problem, clean them out and retest

Posted on Apr 29, 2010

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