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you can check the sensor heater circuit with an ohm meter, and this link;http://img139.imageshack.us/my.php?i...acode41no7.jpg
The map sensor code could be caused by a vacum leak or sticking EGR valve.
Worth the effort to reset it and try to determine the conditions that cause it to set
90 Yota pickup 240k miles "never say die" 22re engine.
92 Acura Legend 115k miles. Wife lets me drive it for oil changes.
The one eyed Mechanic says "The fluid is low"; The two eyed Technician says "WHY is the fluid low?"
Been There, Done That, Read the Book, Seen the Movie, Got the T-shirt http://www.righttorepair.org/
Pull the 7.5 amp radio (backup) fuse in the box in the engine bay for a minute. This will clear the ECU/TCU and also wipe out the stations programmed in the radio. Make sure that you have the code (I feel like I am writing the Haynes manual right now!)
Make sure that you have the code (I feel like I am writing the Haynes manual right now!)
HAHA! Half of the print in the Haynes manual looks like this: "WARNING! The radio in your vehicle has a security code......"
I swear...why can't they tell you once in the first chapter and not bug you every time you disconnect the battery!
2000 Accord LX Sedan F23A1 5spd
2009 Ford Edge SEL (wife's car)
most likely the heater is shot in the o2 sensor. as far as code 3...that's tricky. if it's a hard failure(recodes directly after clearing the code and warming up the car) then it is easier to diagnose. see what happens.
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