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mazda protege P0402
Posted to Emissions Forum on 5/26/2009 2 Replies

hope everyone had a great holiday

i'm sure many of you have seen this , but since i have not , this might save a little time . if you have this code( egr boost sensor ) remove the vacuum line from the port @ the egr valve . if it's plugged up , use a piece o... Login to read more.

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