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Hi all,

I have a Whipple 2.9 on my 392. After I got the car back from the Dyno with the tune, I noticed a “flat spot” starting at about 2700 rpm, up through about 3200 rpm. This is at partial throttle.

I had another tuner log some data and the O2 drops off at that point. He looked at the tune and said the tune itself looks fine and to replace the O2 sensors.

I have new O2 sensors and am wondering what the effort is on. 2014 Challenger SRT to replace the upstream sensors.

Any feedback is appreciated!


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2018 Scat Pack Charger [email protected] 96
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As long as you can break them loose without stripping good to go. The 02 socket probably the best tool to use.
 
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