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Old 01-12-2013, 07:23 AM   #28
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Join Date: Aug 2006
Location: Sweden
Posts: 117
Quote:
Originally Posted by RandallNeighbour View Post
One thing my mechanic discovered is that you can get a MAF error and it's not really the MAF, but one or more of the 02 sensors that is fouled and it's throwing off the computer.

Your car is approaching 13 years of age. If you've not replaced the 02 sensors, I'm betting they're due. This might fix your problem.

BTW, I was not experiencing CE lights or any performance issues and I replaced my 02 sensors because I figured they needed replacement after 85k miles. The difference in power and performance was very noticeable. It was worth the $450 I spent on four new ones (bought mine from OxygenSensors.com). They've come down in price a lot since then...

OxygenSensors.com
Will exchange of the two rear sensors do any difference to performance if they are worn out? I was under the impression that they only did some follow up on the efficiency in the forward cats and made no change the A/F ratio. Would be interesting to know before I pull the trigger on a new set of O2 sensors.
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