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2001 Mazda 626 Check Engine Light; ECG Flow Diagnostic Resu

Tiny
PIXIEDUSTEDLEO
  • MEMBER
  • 2001 MAZDA 626
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 77,890 MILES
About two weeks ago, my check engine light popped on while in transit. Since then, the light has gone off & just the other day come back on. I advised my baby brother (who is an amateur apprentice mechanic @ a shop) so he could hook it up to the diagnostic machine to see the error machine. The diagnostic reported issues with the "ECG Flow." I don't know what that means or where to look for the problem. He doesn't think that this problem should be affecting the performance of me engine; however, it feels like its causing misfires - almost to the point of stall outs when idle. How critical is this problem in my "pristine engine" and where should I have my brother seek out this area in my engine? I am looking forward to your professional advice. Clearly, I am concerned and don't know where to seek out answers. Please email your advice: Pixiedustedleo@aol. Com

Many thanks in advance and best regards,

Mary
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Sunday, February 24th, 2008 AT 1:41 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Your problem lies in the exhaust gas recirculation valve. If the valve sticks open then your car will run rough due to a lean condition. I would repair this problem. It usually is a vacuum line leak or faulty solenoid or egr valve itself. I cant be certain unless I looked at vehicle.
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Sunday, February 24th, 2008 AT 2:17 PM

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