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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