o2 or map
06-16-2013, 07:24 AM
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o2 or map i went to milan last morning and i ran a 1180 then i started to run 13.0 13.1 1.9 60 foot when i use to run 1.6. so i do a run with my hp tuner and my passanger side o2 is all over the map. now my question whould a bad o2 cause that much lost at the track. thanks 
06-16-2013, 10:48 AM
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O2 sensor is not even in the picture, at WOT - other
than when false trimming has wound up the fuel trims.
When a NBO2 sensor is anything but pegged high at
WOT, look for misfires and the reasons behind them.
Whole-system fuel delivery issues would affect both
front sensors' output.
than when false trimming has wound up the fuel trims.
When a NBO2 sensor is anything but pegged high at
WOT, look for misfires and the reasons behind them.
Whole-system fuel delivery issues would affect both
front sensors' output.
06-16-2013, 06:04 PM
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I know when i went there my fuel pressure dropped because i had to play with the plug under the gas tank but I ran 11.80 the first time then the 2nd was 13.0 I have a gauge in the car and its at 61psi and when i run it drops to 55psi at WOT would that have anything to do about it or a bad injector. I hope i don't have a hole in my piston. the car sounds and runs good down the track, its like its stock again.thanks for the info Jim.