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Severe surging leading to engine harness replacement

posted by  xelit0 on  Thu Sep 3 15:31 CST 2015
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as reading through my Bentley manual and cam across the MAF CO adjustment telling me that test light on always mean rich - light blinking - just right, light off - lean. I did this test, grounded the light and tested to white/blue wire - results were no light. Can this be my surging problem not including my pressure problem. The manual says I should correct all other problems before doing this procedure. Last thing I notice is when I pinch off IAC hose from motor to intake, it runs a lot better. No more surging, idle RPM is where it should be but qucik acceleration causes backfires and exhaust is still rich. Can I have somehow stumbled across my problem with high rpm's and surging????






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