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Old August 12th, 2009, 09:26 PM   #3
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Originally Posted by wrifrocks2005 View Post
oxy sensors really shouldn't make a car run bad. if it has a fault it will go into default mode and run fine unless you have other issues that need to be fixed. in that case it may say its bad so you replace it and still have a problem.

in other works, if everything is working you can unplug the o2 and have no performance issues.

have you looked at the plugs?
nope, I would expect a misfire code for the hesitation it is giving I think... maybe not though.

The car runs great other than the hesitation at 35-40 mph and it only happens 1 in 10 times or so.
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