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Need help with idle problem XC90 2004

posted by  q2quest on  Tue Nov 17 07:36 CST 2009
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last visit: Sat Nov 21 12:05 CST 2009
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2004 XC90 T6. My car has been dying when at idle. It will restart but will keep dying unless the throttle is "jazzed" quite a bit. Under acceleration it seems to run fine. The CEL came on and I pulled the codes P2190 and P2188 indicating that both banks are running too rich. I checked the hoses and they all seem to be fine. This problem happened about three months ago and then went away. Now it is back. I'm thinking maybe a bad MAF? Anyway, if I unplug the MAF and it runs better can I assume that is the problem and replace it? Thanks








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    Need help with idle problem XC90 2004

    posted by  jablackburn on  Tue Nov 17 08:29 CST 2009
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    last visit: Thu Jan 20 10:56 CST 2011
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    Anyway, if I unplug the MAF and it runs better can I assume that is the problem and replace it?

    Yes, a sensor bank too rich code would be a good guess for that. Give that a try...make sure the ignition is off first! If it runs better, then it most likely is the mass airflow. Replace with an OEM one for the best luck...Volvo's are picky about aftermarket brands on these.







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