ecu engine check light
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Joined: Jan 2003
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From: Bronx, NY, USA
ecu engine check light
my engine check light came on...did an ecu test and received 4 long flashes and 1 short which means a 41 code and the 41 is "primary oxygen sensor (heat)"...where is this sensor located?...how expensive is it?...and should i get it from the dealer or autozone?
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Joined: Jun 2002
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From: Bouncing off of the city bus in Saigon
Re: ecu engine check light (incognitoracerr)
O2 sensor is usally in the exhaust header after all of the tubes merge together or if you have a V6/8 engine you may have one in each exhaust header just above the flange or in some cases one sensor after the Y pipe
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Aug 17, 2003 08:55 PM