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O2 Sensor bad without check Engine light?

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  #11  
Old 04-24-2007, 07:45 PM
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Default RE: O2 Sensor bad without check Engine light?
lol that's insane...makes me wanna kick myself in the *** for going so long with this ****tyass mileage...
 
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Old 04-24-2007, 08:17 PM
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Default RE: O2 Sensor bad without check Engine light?
I don't know now, I changed my o2 up and it seems to have lost millage agian... Anyone have ideas on how to get the computer not to relearn?

Chris
 
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Old 04-24-2007, 08:51 PM
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Default RE: O2 Sensor bad without check Engine light?
just make sure you buy the OEM one, those universal ones are junk.
 
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Old 04-25-2007, 03:12 AM
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Default RE: O2 Sensor bad without check Engine light?
Does anyone have an idea for my new o2 sensor, I put a new one improved performance significantly, now it is back to where my old one was. Do you think this one has burned out already? Only about 1000km's i put on it.

chris
 
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Old 04-25-2007, 10:50 AM
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Default RE: O2 Sensor bad without check Engine light?
My milage is also horrible on my 4X42000 Dakota QC with a 4.7 engine in it. I have 3.92 gears and im only getting about 14mpg on the highway @ 70 mph.I also have no lights coming on.

My brother has a 4 door Silverado 4x4 with a 5.3 and gets 20mpg @ 70mph. I love my truck but cannot handle the gas milage.

Any suggestions?

Bill
 
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