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Old 03-03-2008, 04:52 AM
moshiachnow
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Default 0420 on a 2005 Altima 2.5

We have had a history of getting the check engine light and an 0420 code. We took the car into the dealer, they charged us $95 and said that the ECM needed reprogramming. (We argued that we should not have to pay if it is a defect in the car and if there is a bulletin on it. Eventually - two months later - the dealer begrudgingly gave us a refund, after being contacted by Nissan's main offices).

So, the light went back on a day after they reprogrammed the ECM. It went off by itself a few weeks later. Now it is back on. I see that there is a voluntary recall for problems with a sensor that requires reprogramming the ECM. I also see that there is a service bulletin pointing out that sometimes the ECM will give an 0420 code, even though there is nothing wrong with the catalytic converter.

My question is, if we take the car in for the recall issue, we should not get charged for it, correct? The dealer says that they will charge $95 to inspect the car. I don't want to have to get involved with this headache again. Would some knowledgeable tech let me know what the proper response of an ethical dealer would be in this situation?

Thanks.
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