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> Bad gas miles 13mpg
post Aug 11, 2005 - 11:18 PM
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gtcelica94



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i dont know what to do. i have changed one of my o2 sensors(5sfe) and there has been no change. my mechanic says to get a tune up but i dont think that will really help my car that much. its running super rich and i think if they change the some stuff it might run richer. anyways i need some help because i am just about to go to the dealer and see whats wrong with it..



do you guys think a tune up will fix this problem

This post has been edited by gtcelica94: Aug 11, 2005 - 11:40 PM
 
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post Aug 12, 2005 - 12:34 AM
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lagos



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disconnect the battery for a few min, change plugs, cap, rotor, wires if they are more then 2yrs old. after you disconnect the battery and hook it back up, drive around for about 2 days... sometimes it can take that long for the ecu to relearn what the new o2 sensor is reporting and put the car in closed loop mode. at least thats how long mine takes to relearn based from my a/f gauge (the only thing its good for! lol)


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15PSI - 30MPG - Megasquirt Tuned

Posts in this topic
- gtcelica94   Bad gas miles 13mpg   Aug 11, 2005 - 11:18 PM
- - Cutrara   Try reseting your Air/Fuel Mixture. Theres a how-t...   Aug 11, 2005 - 11:34 PM
- - gtcelica94   tryed that didnt work   Aug 11, 2005 - 11:47 PM
- - 95gtschick   i have the same problem... i changed my spark plug...   Aug 12, 2005 - 12:03 AM
- - lagos   disconnect the battery for a few min, change plugs...   Aug 12, 2005 - 12:34 AM
- - dustin15brown   man that sucks gl   Aug 12, 2005 - 4:57 PM


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